Inventor · disambiguated record
Calvin C. Perkins
Also filed as: PERKINS CALVIN C
4 granted patents·270 citations·filing 1976–1999
82Inventor score
Top patents by PatentIndex Score
4 records- 0189US4103737AHeat exchanger structure for electronic apparatusMARANTZ CO·Filed 1976·Granted Aug 1, 1978·85 cites·12 claims
- 0285US6176345B1Pistonic motion, large excursion passive radiatorMACKIE DESIGNS INC·Filed 1999·Granted Jan 23, 2001·117 cites·28 claims
- 0371US6259798B1Passive radiator cooled electronics/heat sink housing for a powered speakerMACKIE DESIGNS INC·Filed 1998·Granted Jul 10, 2001·57 cites·22 claims
- 0456USD387351SSpeakerMACKIE DESIGNS INC·Filed 1996·Granted Dec 9, 1997·11 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →