Inventor · disambiguated record
Percy Fretwell
Also filed as: FRETWELL PERCY
6 granted patents·517 citations·filing 1984–1997
89Inventor score
Top patents by PatentIndex Score
6 records- 0193US5253973AVehicles and vehicle liftsRICON UK LTD·Filed 1989·Granted Oct 19, 1993·88 cites·10 claims
- 0290US5636399AMovable ramp assemblyRICON CORP·Filed 1995·Granted Jun 10, 1997·124 cites·23 claims
- 0390US4711613AVehicle lift devicesHENDERSON LTD·Filed 1984·Granted Dec 8, 1987·58 cites·8 claims
- 0487US5832555ACompact moveable ramp assemblyRICON CORP·Filed 1997·Granted Nov 10, 1998·117 cites·25 claims
- 0581US5556250AVehicle liftsRICON CORP·Filed 1995·Granted Sep 17, 1996·75 cites·24 claims
- 0675US6102648ADriving mechanism for vehicle liftsRICON CORP·Filed 1997·Granted Aug 15, 2000·55 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →