Inventor · disambiguated record
David G. Kumbera
Also filed as: KUMBERA DAVID G
4 granted patents·256 citations·filing 1975–1978
82Inventor score
Files withMC GRAW EDISON CO4
Top patents by PatentIndex Score
4 records- 0193US4124790AProtective switch device and operating mechanism thereforMC GRAW EDISON CO·Filed 1975·Granted Nov 7, 1978·108 cites·14 claims
- 0292US3955167AEncapsulated vacuum fuse assemblyMC GRAW EDISON CO·Filed 1975·Granted May 4, 1976·56 cites·7 claims
- 0387US4154993ACable connected drawout switchgearMC GRAW EDISON CO·Filed 1977·Granted May 15, 1979·68 cites·8 claims
- 0481US4168414AProtective switch device and operating mechanism thereforMC GRAW EDISON CO·Filed 1978·Granted Sep 18, 1979·24 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →