Inventor · disambiguated record
Thomas W. Pfeffer
Also filed as: PFEFFER THOMAS W
3 granted patents·104 citations·filing 2000–2004
75Inventor score
Technology areasB60R
Top patents by PatentIndex Score
3 records- 0189US7222006B2Method for determination of pre-authorization engine operation time for a vehicle theft deterrent systemGEN MOTORS CORP·Filed 2004·Granted May 22, 2007·50 cites·19 claims
- 0277US6653747B1Electronic key system including ignition and transmission controlSIEMENS VDO AUTOMOTIVE CORP·Filed 2000·Granted Nov 25, 2003·30 cites·15 claims
- 0372US6386447B1Smart card with card in vehicle warningSIEMENS AUTOMOTIVE CORP LP·Filed 2000·Granted May 14, 2002·24 cites·10 claims
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