Inventor · disambiguated record
Darrell A. Pfeffer
Also filed as: PFEFFER DARRELL · PFEFFER DARRELL A · PFEFFER DARRELL ANTHONY
4 granted patents·213 citations·filing 1982–2000
82Inventor score
Files withMOTOROLA INC4
Top patents by PatentIndex Score
4 records- 0187US6529728B1Method and apparatus in a wireless communication system for selectively providing information specific to a locationMOTOROLA INC·Filed 2000·Granted Mar 4, 2003·69 cites·21 claims
- 0268US4468605ATimed voltage clamp for battery chargerMOTOROLA INC·Filed 1982·Granted Aug 28, 1984·34 cites·7 claims
- 0361US5390362AUser extendible voice transmission paging system and operating methodMOTOROLA INC·Filed 1993·Granted Feb 14, 1995·68 cites·13 claims
- 0453US5355126ASelective call system interactive with a wide area selective call systemMOTOROLA INC·Filed 1992·Granted Oct 11, 1994·42 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →