Assignee
POTTORFF EARL T
US·8 granted patents·1 pending application·118 citations·filing 1985–2011
Top patents by PatentIndex Score
9 records- 0192US7976400B1Golf putter with adjustable liePOTTORFF EARL T·Filed 2011·Granted Jul 12, 2011·38 cites·10 claims
- 0269US4852442ASelf-sharpening perforator for plastic filmPOTTORFF EARL T·Filed 1988·Granted Aug 1, 1989·24 cites·7 claims
- 0365US4723466ASelf-sharpening hole punch for packaging with resilient waste expelling mechanismPOTTORFF EARL T·Filed 1986·Granted Feb 9, 1988·22 cites·4 claims
- 0447US4898082AMolded plastic air cylinderPOTTORFF EARL T·Filed 1988·Granted Feb 6, 1990·11 cites·11 claims
- 0542US4653372ASelf-sharpening hole punch for plastic bagsPOTTORFF EARL T·Filed 1985·Granted Mar 31, 1987·8 cites·6 claims
- 0642US2005276669A1Punch assembly with spinning headPOTTORFF EARL T·Filed 2004·Application pending·0 cites
- 0740US4943226ACover for collapsing boardPOTTORFF EARL T·Filed 1988·Granted Jul 24, 1990·7 cites·6 claims
- 0838US5143367ARotary vacuum wicketter with removable split wearplatesPOTTORFF EARL T·Filed 1991·Granted Sep 1, 1992·5 cites·9 claims
- 0934US4877233ARotary vacuum wicketterPOTTORFF EARL T·Filed 1988·Granted Oct 31, 1989·3 cites·15 claims
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