Inventor · disambiguated record
Dennis R. Schaeffer
Also filed as: SCHAEFFER DENNIS · SCHAEFFER DENNIS R · SCHAEFFER DENNIS RAY
15 granted patents·1 pending application·1,414 citations·filing 1986–2007
96Inventor score
Top patents by PatentIndex Score
16 records- 0196US4654867ACellular voice and data radiotelephone systemMOTOROLA INC·Filed 1986·Granted Mar 31, 1987·319 cites·63 claims
- 0287US7260833B1One-way network transmission interface unitUS NAVY·Filed 2003·Granted Aug 21, 2007·55 cites·20 claims
- 0387US5210771AMultiple user spread-spectrum communication systemMOTOROLA INC·Filed 1991·Granted May 11, 1993·169 cites·38 claims
- 0484US5740526AMethod and apparatus for selecting two antennas from which to receive a communication signalFiled 1994·Granted Apr 14, 1998·76 cites·17 claims
- 0582US5073971ACellular radiotelephone communications systemMOTOROLA INC·Filed 1989·Granted Dec 17, 1991·126 cites·19 claims
- 0676US5953659AMethod and apparatus for producing delay of a carrier signal for implementing spatial diversity in a communications systemMOTOROLA INC·Filed 1997·Granted Sep 14, 1999·53 cites·11 claims
- 0776US5455821ACommunication system resource allocation methodMOTOROLA INC·Filed 1994·Granted Oct 3, 1995·108 cites·28 claims
- 0874US5257398AHopped-carrier dynamic frequency reuseMOTOROLA INC·Filed 1990·Granted Oct 26, 1993·91 cites·21 claims
- 0974US5048116ASignal routing systemMOTOROLA INC·Filed 1989·Granted Sep 10, 1991·36 cites·14 claims
- 1073US4726050AScanning receiver allocation method and apparatus for cellular radiotelephone systemsMOTOROLA INC·Filed 1987·Granted Feb 16, 1988·98 cites·18 claims
- 1168US4866710AReuse groups for scan monitoring in digital cellular systemsMOTOROLA INC·Filed 1988·Granted Sep 12, 1989·79 cites·21 claims
- 1267US5490285AMethod of topographically displaying selected information in a cellular communication systemMOTOROLA INC·Filed 1993·Granted Feb 6, 1996·75 cites·6 claims
- 1365US4775998ACellular radiotelephone system having colocated base sitesMOTOROLA INC·Filed 1987·Granted Oct 4, 1988·71 cites·24 claims
- 1453US4751725AVOX remote unit control in a cellular systemMOTOROLA INC·Filed 1987·Granted Jun 14, 1988·50 cites·14 claims
- 1546US2008160984A1Method and apparatus for altering mobile device behavior based on rfid tag discoveryMOTOROLA INC·Filed 2007·Application pending·0 cites
- 1635US5819181AApparatus and method for mitigating excess time delay in a wireless communication systemMOTOROLA INC·Filed 1996·Granted Oct 6, 1998·8 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →