Individual holder
YORK NORMAN N
6 granted patents·192 citations·filing 1979–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0190US4397112ARifle bipodYORK NORMAN N·Filed 1981·Granted Aug 9, 1983·64 cites·3 claims
- 0279US4530385AApparatus for removing tree stumpsYORK NORMAN N·Filed 1984·Granted Jul 23, 1985·35 cites·16 claims
- 0375US4276808AAttachment for firearmsYORK NORMAN N·Filed 1979·Granted Jul 7, 1981·24 cites·7 claims
- 0471US4998573ATree cutting apparatusYORK NORMAN N·Filed 1989·Granted Mar 12, 1991·30 cites·12 claims
- 0566US4681145AApparatus for removing tree stumpsYORK NORMAN N·Filed 1986·Granted Jul 21, 1987·26 cites·17 claims
- 0645US4621668AApparatus for removing tree stumps and splitting logsYORK NORMAN N·Filed 1985·Granted Nov 11, 1986·13 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →