Inventor · disambiguated record
John R. Erwin
Also filed as: ERWIN JOHN R · ERWIN JOHN S · STAUB NORMAN T
8 granted patents·1 pending application·252 citations·filing 1974–2004
89Inventor score
Top patents by PatentIndex Score
9 records- 0192US3997132AMethod and apparatus for controlling tip vorticesGARRETT CORP·Filed 1974·Granted Dec 14, 1976·68 cites·32 claims
- 0287US4349314ACompressor diffuser and methodGARRETT CORP·Filed 1980·Granted Sep 14, 1982·47 cites·19 claims
- 0380US4183776ATennis racket manufactureSTARWIN IND INC·Filed 1977·Granted Jan 15, 1980·46 cites·4 claims
- 0475US4264389AMethod of manufacturing a tennis racketSTARWIN IND INC·Filed 1980·Granted Apr 28, 1981·48 cites·9 claims
- 0564USD260415SRacquetball racquetSTARWIN IND INC·Filed 1979·Granted Aug 25, 1981·8 cites·1 claims
- 0660US2005246271A1Method of preserving rights in landERWIN JOHN S·Filed 2004·Application pending·0 cites
- 0759US4377287ABoard game apparatusERWIN JOHN R·Filed 1980·Granted Mar 22, 1983·18 cites·6 claims
- 0853US4045025AGlass fiber tennis racket frameSTARWIN IND INC·Filed 1974·Granted Aug 30, 1977·14 cites·7 claims
- 0928US4367874ATennis racquet and method of making sameSTARWIN IND INC·Filed 1979·Granted Jan 11, 1983·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →