Inventor · disambiguated record
Ronald J. Vanderhelm
Also filed as: VANDERHELM RONALD J · VANDERHELM RONALD JOHN
12 granted patents·3 pending applications·507 citations·filing 1991–2010
93Inventor score
Top patents by PatentIndex Score
15 records- 0194US5138328AIntegral diversity antenna for a laptop computerMOTOROLA INC·Filed 1991·Granted Aug 11, 1992·275 cites·6 claims
- 0290US6968171B2Adaptive noise reduction system for a wireless receiverSIERRA WIRELESS INC·Filed 2002·Granted Nov 22, 2005·61 cites·29 claims
- 0376US6026119AWireless packet data communications modem and method of use thereinMOTOROLA INC·Filed 1997·Granted Feb 15, 2000·55 cites·21 claims
- 0465US9264111B2Reassignment of data among subcarriers in wireless data communicationVAUGHAN RODNEY G·Filed 2010·Granted Feb 16, 2016·4 cites·35 claims
- 0549US7505781B2Core wireless engineSIERRA WIRELESS INC·Filed 2002·Granted Mar 17, 2009·1 cites·26 claims
- 0649US5914696AUnbalanced antenna systemMOTOROLA INC·Filed 1997·Granted Jun 22, 1999·19 cites·10 claims
- 0748US6516204B1Combination internal modem and PC card radio operable in multiple modesSIERRA WIRELESS INC·Filed 1996·Granted Feb 4, 2003·20 cites·1 claims
- 0847US6327154B1Battery case for PCMCIA card modem with antennaSIERRA WIRELESS INC·Filed 1998·Granted Dec 4, 2001·17 cites·26 claims
- 0945USD416857SBattery housing for a PCMCIA card modemSIERRA WIRELESS INC·Filed 1998·Granted Nov 23, 1999·6 cites·1 claims
- 1045US5890057AModulation signal calibration between modem and radio using loopbackSIERRA WIRELESS INC·Filed 1996·Granted Mar 30, 1999·22 cites·12 claims
- 1143US2006030287A1Adaptive noise reduction system for a wireless receiverSIERRA WIRELESS INC·Filed 2005·Application pending·0 cites
- 1239US6191741B1Dual mode antenna for personal computer cardSIERRA WIRELESS INC·Filed 1998·Granted Feb 20, 2001·11 cites·23 claims
- 1339US2003096588A1Receiver intermod enhancerFiled 2001·Application pending·0 cites
- 1438US5809067AWireless packet data communications modem and method of use thereinMOTOROLA INC·Filed 1994·Granted Sep 15, 1998·16 cites·23 claims
- 1537US2002142801A1Booster auto detectFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →