Inventor · disambiguated record
Walter L. Davis
Also filed as: DAVIS WALTER L · DAVIS WALTER LEE
92 granted patents·2 pending applications·5,850 citations·filing 1975–2015
99Inventor score
Top patents by PatentIndex Score
94 records- 0199US4893271ASynthesized clock microcomputer with power savingMOTOROLA INC·Filed 1987·Granted Jan 9, 1990·235 cites·23 claims
- 0298US4942598ATelephone answering machine in paging systems with automatic number identification based message operationsMOTOROLA INC·Filed 1988·Granted Jul 17, 1990·323 cites·13 claims
- 0398US4893087ALow voltage and low power frequency synthesizerMOTOROLA INC·Filed 1988·Granted Jan 9, 1990·123 cites·4 claims
- 0498US4891638ANationwide display pager with location readoutMOTOROLA INC·Filed 1987·Granted Jan 2, 1990·340 cites·13 claims
- 0594US4518961AUniversal paging device with power conservationMOTOROLA INC·Filed 1984·Granted May 21, 1985·92 cites·103 claims
- 0693US5684859AMethod and apparatus for downloading location specific information to selective call receiversMOTOROLA INC·Filed 1995·Granted Nov 4, 1997·280 cites·29 claims
- 0793US4355277ADual mode DC/DC converterMOTOROLA INC·Filed 1980·Granted Oct 19, 1982·62 cites·20 claims
- 0892US4660027AReduced power consumption low battery alert deviceMOTOROLA INC·Filed 1984·Granted Apr 21, 1987·72 cites·19 claims
- 0992US4064493AP-ROM Cell having a low current fusible programming linkMOTOROLA INC·Filed 1976·Granted Dec 20, 1977·74 cites·6 claims
- 1090US4520702AInspection and cutting apparatusKEY TECHNOLOGY INC·Filed 1983·Granted Jun 4, 1985·75 cites·19 claims
- 1189US4910510ASystem for off-the-air reprogramming of communication receiversMOTOROLA INC·Filed 1987·Granted Mar 20, 1990·85 cites·24 claims
- 1289US4786902AControl interface for combined watch and pager functionsMOTOROLA INC·Filed 1987·Granted Nov 22, 1988·70 cites·45 claims
- 1388US6041314AMultiple account portable wireless financial messaging unitFiled 1997·Granted Mar 21, 2000·144 cites·34 claims
- 1487US5153582AMethod of and apparatus for acknowledging and answering a paging signalMOTOROLA INC·Filed 1989·Granted Oct 6, 1992·180 cites·6 claims
- 1587US4634956ADC to DC converterMOTOROLA INC·Filed 1985·Granted Jan 6, 1987·60 cites·15 claims
- 1686US5392457ABattery saving method and apparatus for providing selective receiver power switchingMOTOROLA INC·Filed 1993·Granted Feb 21, 1995·54 cites·23 claims
- 1786US4901036AFrequency synthesizer with an interface controller and buffer memoryMOTOROLA INC·Filed 1989·Granted Feb 13, 1990·55 cites·26 claims
- 1886US4631737ASelf biasing direct coupled data limiterMOTOROLA INC·Filed 1984·Granted Dec 23, 1986·64 cites·17 claims
- 1984US5314056AHigh-speed vibratory alignment and singulation conveyorKEY TECHNOLOGY INC·Filed 1993·Granted May 24, 1994·39 cites·43 claims
- 2084US5251325ABattery saving method and apparatus for providing selective receiver power switchingMOTOROLA INC·Filed 1990·Granted Oct 5, 1993·46 cites·11 claims
- 2184US4995099APower conservation method and apparatus for a portion of a predetermined signalMOTOROLA INC·Filed 1990·Granted Feb 19, 1991·146 cites·24 claims
- 2284US4581632AOptical inspection apparatus for moving articlesKEY TECHNOLOGY INC·Filed 1985·Granted Apr 8, 1986·49 cites·22 claims
- 2383US6105006ATransaction authentication for 1-way wireless financial messaging unitsMOTOROLA INC·Filed 1997·Granted Aug 15, 2000·316 cites·39 claims
- 2483US5008952AGlobal satellite communication system with geographic protocol conversionMOTOROLA INC·Filed 1989·Granted Apr 16, 1991·58 cites·48 claims
- 2583US4862516ASystem for automatically tuning the antenna of a miniature portable communications deviceMOTOROLA INC·Filed 1987·Granted Aug 29, 1989·55 cites·36 claims
- 2682US6804525B2Method and apparatus for facilitating two-way communications between vehiclesMOTOROLA INC·Filed 2002·Granted Oct 12, 2004·33 cites·25 claims
- 2781US6378073B1Single account portable wireless financial messaging unitMOTOROLA INC·Filed 1997·Granted Apr 23, 2002·338 cites·28 claims
- 2881US5193216ADetecting out of range in response to a loss of signal and a history of approaching out of range prior to the loss of signalMOTOROLA INC·Filed 1990·Granted Mar 9, 1993·87 cites·9 claims
- 2980US5471663AExpanded microcomputer system for controlling radio frequency interferenceMOTOROLA INC·Filed 1993·Granted Nov 28, 1995·64 cites·22 claims
- 3080US5392452ASelective call signaling system with combined wide area paging and high data rate transmissions via radio telephone transceiversMOTOROLA INC·Filed 1992·Granted Feb 21, 1995·119 cites·28 claims
- 3178US5109544APaging receiver with automatic frequency controlMOTOROLA INC·Filed 1990·Granted Apr 28, 1992·50 cites·17 claims
- 3278US4816820ARadio communication receiver with apparatus for altering bit rate of the receiverMOTOROLA INC·Filed 1986·Granted Mar 28, 1989·51 cites·5 claims
- 3377US5287541AGlobal satellite communication system with geographic protocol conversionMOTOROLA INC·Filed 1991·Granted Feb 15, 1994·106 cites·16 claims
- 3477US5121503ASatellite signaling system having a signal beam with a variable beam areaMOTOROLA INC·Filed 1991·Granted Jun 9, 1992·56 cites·12 claims
- 3577US4868561AMethod of reprogramming an alert patternMOTOROLA INC·Filed 1988·Granted Sep 19, 1989·109 cites·7 claims
- 3676US4975693AProgrammable multi-address pager receiver and method of characterizing sameMOTOROLA INC·Filed 1989·Granted Dec 4, 1990·49 cites·8 claims
- 3776US4949085APrioritization of stored messages in a digital voice paging receiverMOTOROLA INC·Filed 1989·Granted Aug 14, 1990·49 cites·7 claims
- 3876US4894649APager having time controlled functionsMOTOROLA INC·Filed 1988·Granted Jan 16, 1990·109 cites·8 claims
- 3974US6008737AApparatus for controlling utilization of software added to a portable communication deviceMOTOROLA INC·Filed 1996·Granted Dec 28, 1999·71 cites·9 claims
- 4073US4928314AHeterodyne stage having precise closed-loop control of the amplitude of the injection signal thereofMOTOROLA INC·Filed 1989·Granted May 22, 1990·28 cites·10 claims
- 4173US4073041ACrab butchering machineAPPLIED MAGNETICS INC·Filed 1976·Granted Feb 14, 1978·24 cites·6 claims
- 4272US4648015AFilter capacitor discharge circuit for a DC-DC converterMOTOROLA INC·Filed 1986·Granted Mar 3, 1987·30 cites·4 claims
- 4371US4329639ALow voltage current mirrorMOTOROLA INC·Filed 1980·Granted May 11, 1982·22 cites·7 claims
- 4470US6636799B2Method and apparatus for modification of vehicular navigation informationMOTOROLA INC·Filed 2001·Granted Oct 21, 2003·34 cites·36 claims
- 4570US5129095AGlobal communication system receiver and method for operating the sameMOTOROLA INC·Filed 1991·Granted Jul 7, 1992·46 cites·14 claims
- 4669US4142177ADigital tone decoder systemMOTOROLA INC·Filed 1976·Granted Feb 27, 1979·17 cites·25 claims
- 4768US9104862B2Secure computing device using new software versionsUNIQUESOFT LLC·Filed 2013·Granted Aug 11, 2015·3 cites·19 claims
- 4868US9003182B2Communication system and method for securely communicating a message between correspondents through an intermediary terminalDAVIS WALTER LEE·Filed 2012·Granted Apr 7, 2015·2 cites·17 claims
- 4968US6314519B1Secure messaging system overlay for a selective call signaling systemMOTOROLA INC·Filed 1997·Granted Nov 6, 2001·169 cites·34 claims
- 5067US5845202AMethod and apparatus for acknowledge back signaling using a radio telephone systemMOTOROLA INC·Filed 1996·Granted Dec 1, 1998·53 cites·19 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →