Inventor · disambiguated record
John Richard Prestwich
Also filed as: PRESTWICH JOHN · PRESTWICH JOHN RICHARD
2 granted patents·1 pending application·30 citations·filing 1975–2003
61Inventor score
Files withWARWICK PUMP & ENG CO2
Top patents by PatentIndex Score
3 records- 0152US4023233ASurface cleaning deviceWARWICK PUMP & ENG CO·Filed 1975·Granted May 17, 1977·21 cites·10 claims
- 0240US4116590ADiaphragm pump with pulse piston position responsive work fluid replenishmentWARWICK PUMP & ENG CO·Filed 1977·Granted Sep 26, 1978·9 cites·10 claims
- 0328US2005040939A1Integrated motorcoach management system apparatus and methodFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →