Assignee
LONGBRAKE HOWARD R
4 granted patents·140 citations·filing 1978–2003
Top patents by PatentIndex Score
4 records- 0191US4320892AKnife sharpenerLONGBRAKE HOWARD R·Filed 1980·Granted Mar 23, 1982·54 cites·2 claims
- 0282US7144310B2Knife sharpener apparatusLONGBRAKE HOWARD R·Filed 2003·Granted Dec 5, 2006·33 cites·30 claims
- 0373US4170343AKnife sharpenerLONGBRAKE HOWARD R·Filed 1978·Granted Oct 9, 1979·25 cites·4 claims
- 0472US4486982AFoldable holding deviceLONGBRAKE HOWARD R·Filed 1983·Granted Dec 11, 1984·28 cites·1 claims
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