Assignee
SPERRY A W INSTR INC
US·4 granted patents·129 citations·filing 1976–2004
Technology mixG01R3
Top patents by PatentIndex Score
4 records- 0180US5625285AAC power outlet ground integrity and wire test circuit deviceSPERRY A W INSTR INC·Filed 1995·Granted Apr 29, 1997·100 cites·9 claims
- 0260US7157896B2Device for locating and identifying circuit breakersSPERRY A W INSTR INC·Filed 2004·Granted Jan 2, 2007·8 cites·29 claims
- 0358US4096434AAutomatic range selector for volt-ammeter instrumentSPERRY A W INSTR INC·Filed 1976·Granted Jun 20, 1978·12 cites·8 claims
- 0441USD458551SDigital multimeterSPERRY A W INSTR INC·Filed 2001·Granted Jun 11, 2002·9 cites·1 claims
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