Inventor · disambiguated record
John F. Castagna
Also filed as: CASTAGNA JOHN F
16 granted patents·704 citations·filing 1978–1992
94Inventor score
Top patents by PatentIndex Score
16 records- 0198USD260764SControl unit for a combined automobile cassette player and radioSPARKOMATIC CORP·Filed 1979·Granted Sep 15, 1981·145 cites·1 claims
- 0286US5411487AHypodermic syringe with automatic needle coverFiled 1992·Granted May 2, 1995·265 cites·15 claims
- 0386US4884655ATower-type speaker cabinet with pivoted plural speaker subassemblySPARKOMATIC CORP·Filed 1988·Granted Dec 5, 1989·96 cites·14 claims
- 0486US4281224AGrille covered speaker assembly construction for compact automobiles and the likeSPARKOMATIC CORP·Filed 1980·Granted Jul 28, 1981·54 cites·13 claims
- 0579US4173941AResponse tracer audio equalizer amplifier unit having graphic response displaySPARKOMATIC CORP·Filed 1978·Granted Nov 13, 1979·19 cites·11 claims
- 0668US4331841AGrille covered speaker mounting assembly for automobile decks and the likeSPARKOMARIC CORP·Filed 1980·Granted May 25, 1982·41 cites·14 claims
- 0764USD310793SLight bar assembly for vehicle roofsSPARKOMATIC CORP·Filed 1988·Granted Sep 25, 1990·10 cites·1 claims
- 0863USD263584SControl unit for a combined automobile cassette player and radioSPARKOMATIC CORP·Filed 1979·Granted Mar 30, 1982·7 cites·1 claims
- 0957USD304586SLoudspeakerSPARKOMATIC CORP·Filed 1987·Granted Nov 14, 1989·7 cites·1 claims
- 1055USD304921SBug and stone deflector shield mount for automobiles and the likeSPARKOMATIC CORP·Filed 1987·Granted Dec 5, 1989·7 cites·1 claims
- 1145USD261758SControl unit for a combined automobile cassette player, radio and digital clockSPARKOMATIC CORP·Filed 1979·Granted Nov 10, 1981·3 cites·1 claims
- 1241US5195975ASingle use hypodermic syringeCASTAGNA JOHN F·Filed 1992·Granted Mar 23, 1993·43 cites·19 claims
- 1340USD255684SResponse tracer amplifier unit having graphic amplifier response display for stereo sound systems and the likeSPARKOMATIC CORP·Filed 1978·Granted Jul 1, 1980·2 cites·1 claims
- 1439US4688121ACassette adaptor for 8-track cartridge tape playerSPARKOMATIC CORP·Filed 1986·Granted Aug 18, 1987·4 cites·20 claims
- 1536USD260389SControl unit for a combined automobile cartridge player and radioSPARKOMATIC CORP·Filed 1979·Granted Aug 25, 1981·1 cites·1 claims
- 1631USD260763SControl unit for a combined automobile cassette player, radio and digital clockSPARKOMATIC CORP·Filed 1979·Granted Sep 15, 1981·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →