Inventor · disambiguated record
Ervin J. Rachwal
Also filed as: RACHWAL ERVIN J
5 granted patents·24 citations·filing 1980–2009
77Inventor score
Top patents by PatentIndex Score
5 records- 0151US8707474B2Toilet controlsRACHWAL ERVIN J·Filed 2009·Granted Apr 29, 2014·3 cites·9 claims
- 0244US4327172APhotographic image definition improvementWESTERN ELECTRIC CO·Filed 1980·Granted Apr 27, 1982·4 cites·6 claims
- 0338USD574983STool lightI Q RES INC·Filed 2007·Granted Aug 12, 2008·6 cites·1 claims
- 0437USD504738SFlashlightFiled 2004·Granted May 3, 2005·4 cites·1 claims
- 0533US4894679AMethod and apparatus for use in transferring an imageGRAPHICS LX CORP·Filed 1988·Granted Jan 16, 1990·7 cites·71 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →