Assignee
GRINGER DONALD
US14 patents
Top patents by PatentIndex Score
US4558517ADec 17, 1985
Scraper hand tool
GRINGER DONALD84 citations96
US4509260AApr 9, 1985
Knife handle for accommodating different adjustable blade types
GRINGER DONALD60 citations96
US8938883B2Jan 27, 2015
Cutting implements
GRINGER DONALD43 citations94
USD660675SMay 29, 2012
Twin blade head for a knife
GRINGER DONALD42 citations94
USD682065SMay 14, 2013
Utility knife
GRINGER DONALD19 citations93
US8087554B2Jan 3, 2012
Multifunction pouring spout with pivoting handle
GRINGER DONALD22 citations93
US4575936AMar 18, 1986
Blade retaining tool head
GRINGER DONALD31 citations93
USD267826SFeb 1, 1983
Hand scraper
GRINGER DONALD29 citations93
USD701741SApr 1, 2014
Utility knife
GRINGER DONALD6 citations84
US8104426B2Jan 31, 2012
Paint shield
GRINGER DONALD8 citations84
US8307490B2Nov 13, 2012
Multifunction caulk tool
GRINGER DONALD19 citations83
US4359158ANov 16, 1982
Blister pack for storage and display of elongated articles and the like
GRINGER DONALD26 citations82
US9199384B2Dec 1, 2015
Razor blade assembly
GRINGER DONALD5 citations73
US8579114B2Nov 12, 2013
Packaging device
GRINGER DONALD2 citations63