Assignee
ALLEN HAROLD
US·4 granted patents·1 pending application·86 citations·filing 1990–2020
Top patents by PatentIndex Score
5 records- 0189US8091397B1Compact roll grooving apparatus with adjustable mounting and extended backup roller shaftALLEN HAROLD·Filed 2009·Granted Jan 10, 2012·13 cites·12 claims
- 0289US5051044APipe drilling apparatusALLEN HAROLD·Filed 1990·Granted Sep 24, 1991·68 cites·25 claims
- 0357US11883976B2Wedge holder for log splittingALLEN HAROLD·Filed 2020·Granted Jan 30, 2024·0 cites·20 claims
- 0440US2009078017A1Roll grooving apparatusALLEN HAROLD·Filed 2007·Application pending·0 cites
- 0539US7025371B2Hitching apparatus and method of useALLEN HAROLD·Filed 2004·Granted Apr 11, 2006·5 cites·7 claims
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