Inventor · disambiguated record
Robert K. Tendler
Also filed as: TENDLER ROBERT K · TENDLER ROBERT KANOF
35 granted patents·6 pending applications·3,308 citations·filing 1975–2016
98Inventor score
Files withTENDLER ROBERT K19TENDLER CELLULAR INC14TRAPANI GIORGIO4TENDLER ROBERT KANOF1TENDLER TECHNOLOGIES INC1
Top patents by PatentIndex Score
41 records- 0199US4937796AVehicle backing aidTENDLER ROBERT K·Filed 1989·Granted Jun 26, 1990·393 cites·16 claims
- 0298US7447508B1Location based information systemTENDLER CELLULAR INC·Filed 2007·Granted Nov 4, 2008·94 cites·36 claims
- 0398US6778820B2Method and apparatus for assuring that a telephone wager is placed within the wagering jurisdictionTENDLER CELLULAR INC·Filed 2001·Granted Aug 17, 2004·296 cites·8 claims
- 0498US5555286ACellular phone based automatic emergency vessel/vehicle location systemTENDLER TECHNOLOGIES INC·Filed 1995·Granted Sep 10, 1996·904 cites·7 claims
- 0597US6519463B2Location based service request systemTENDLER CELLULAR INC·Filed 1996·Granted Feb 11, 2003·322 cites·4 claims
- 0696US7050818B2Location based service request systemTENDLER CELLULAR INC·Filed 2003·Granted May 23, 2006·97 cites·18 claims
- 0796US4833477AEmergency vessel location systemTENDLER ROBERT K·Filed 1988·Granted May 23, 1989·144 cites·17 claims
- 0894US8060117B1Location based information systemTENDLER ROBERT K·Filed 2010·Granted Nov 15, 2011·17 cites·34 claims
- 0994US7164921B2Auxiliary switch activated GPS-equipped wireless phoneTENDLER CELLULAR INC·Filed 2000·Granted Jan 16, 2007·92 cites·9 claims
- 1093US7305243B1Location based information systemTENDLER CELLULAR INC·Filed 2006·Granted Dec 4, 2007·27 cites·27 claims
- 1192US5598460AEmergency back-up system for enhancing reliability or rescueTENDLER CELLULAR INC·Filed 1996·Granted Jan 28, 1997·199 cites·9 claims
- 1290US7844282B1Location based information systemTENDLER ROBERT K·Filed 2008·Granted Nov 30, 2010·12 cites·32 claims
- 1390US5736962ATime since last fix annunciation system for GPS-based wireless rescue systemTENDLER CELLULAR INC·Filed 1996·Granted Apr 7, 1998·175 cites·7 claims
- 1489US8380224B1Location based information systemTENDLER ROBERT K·Filed 2011·Granted Feb 19, 2013·8 cites·34 claims
- 1588US6014555ASystem for providing the telephone number of a telephone making an emergency callTENDLER CELLULAR INC·Filed 1996·Granted Jan 11, 2000·153 cites·1 claims
- 1685US7374282B2Method and apparatus for viewing polarized displaysTENDLER ROBERT K·Filed 2005·Granted May 20, 2008·21 cites·13 claims
- 1784US9372353B2Method and apparatus for forming sunglass lenses with a predetermined gradientTRAPANI GIORGIO·Filed 2014·Granted Jun 21, 2016·6 cites·19 claims
- 1882US8172393B2Method and apparatus for viewing polarized displaysTENDLER ROBERT K·Filed 2008·Granted May 8, 2012·16 cites·12 claims
- 1982US6516198B1System for location reportingTENDLER CELLULAR INC·Filed 1999·Granted Feb 4, 2003·93 cites·14 claims
- 2076US9678364B2Method and apparatus for forming sunglass lenses with a predetermined gradientTRAPANI GIORGIO·Filed 2016·Granted Jun 13, 2017·2 cites·19 claims
- 2175US5073972AModular communications system including a portable unit range extender and selective-call systemTENDLER ROBERT K·Filed 1989·Granted Dec 17, 1991·43 cites·5 claims
- 2267US5163158AModular communications system including a portable unit range extender and selective-call systemTENDLER ROBERT K·Filed 1991·Granted Nov 10, 1992·43 cites·9 claims
- 2359US4309016AWall hangerTENDLER ROBERT K·Filed 1978·Granted Jan 5, 1982·13 cites·6 claims
- 2458US5187978AKnotmeter impeller eliminator systemTENDLER ROBERT K·Filed 1991·Granted Feb 23, 1993·19 cites·5 claims
- 2557US4489405ATalking depth sounderTENDLER ROBERT K·Filed 1982·Granted Dec 18, 1984·12 cites·18 claims
- 2654US5649059AAlpha-numeric verbal scroll technique for use in an emergency location systemTENDLER CELLULAR INC·Filed 1995·Granted Jul 15, 1997·36 cites·3 claims
- 2753US4672590ATalking depth sounderTENDLER ROBERT K·Filed 1985·Granted Jun 9, 1987·15 cites·5 claims
- 2853US4616350ATalking depth sounderTENDLER ROBERT K·Filed 1984·Granted Oct 7, 1986·10 cites·7 claims
- 2952US5231699ADual watch radio systemTENDLER ROBERT K·Filed 1991·Granted Jul 27, 1993·21 cites·6 claims
- 3051US9128302B2Method and apparatus for making polarized sunglassesTRAPANI GIORGIO·Filed 2013·Granted Sep 8, 2015·0 cites·12 claims
- 3148US2004100386A1Animal selective pet doorFiled 2002·Application pending·0 cites
- 3245US2015261011A1Method and Apparatus for Preparing Gradient Polarization SheetTRAPANI GIORGIO·Filed 2014·Application pending·0 cites
- 3344US4621348ATalking depth sounderTENDLER ROBERT K·Filed 1984·Granted Nov 4, 1986·8 cites·6 claims
- 3444US2002111193A1Transmission of digital data over a wireless network utilizing synthetic voice generation of DTMF tonesTENDLER CELLULAR INC·Filed 2001·Application pending·0 cites
- 3544US2004176106A1System for location reportingFiled 2003·Application pending·0 cites
- 3644US2002090973A1Method and apparatus for the control of a wireless phoneTENDLER CELLULAR INC·Filed 2001·Application pending·0 cites
- 3740US2002103002A1Method for locating a GPS receiver in a wireless handset to minimize interferenceTENDLER CELLULAR INC·Filed 2001·Application pending·0 cites
- 3839US4029285AWall hangerTENDLER ROBERT KANOF·Filed 1975·Granted Jun 14, 1977·9 cites·5 claims
- 3934US4916674AMethod and apparatus for improving the shallow water performance of a depth sounderTENDLER ROBERT K·Filed 1989·Granted Apr 10, 1990·4 cites·7 claims
- 4032US4498655AWall hangerTENDLER ROBERT K·Filed 1981·Granted Feb 12, 1985·4 cites·9 claims
- 4130US4918671ADepth sounder operation for hostile environmentsTENDLER ROBERT K·Filed 1989·Granted Apr 17, 1990·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →