Inventor · disambiguated record
Dean Duffield
Also filed as: DUFFIELD DEAN · DUFFIELD DEAN W · DUFFIELD DEAN WALTER
3 granted patents·1 pending application·21 citations·filing 1982–2008
64Inventor score
Top patents by PatentIndex Score
4 records- 0149US4599126AMethod for severing laminatesPRECISION VALVE AUSTRALIA·Filed 1982·Granted Jul 8, 1986·15 cites·9 claims
- 0237US2009158580A1Method of making aerosol valve mounting cups and resultant cupsPRECISION VALVE CORP·Filed 2008·Application pending·0 cites
- 0333US8118197B2Method of making aerosol valve mounting cups and resultant cupsDUFFIELD DEAN·Filed 2007·Granted Feb 21, 2012·0 cites·14 claims
- 0429US6010040AMounting cup for an aerosol containerPRECISION VALVE CORP·Filed 1998·Granted Jan 4, 2000·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →