Individual holder
SPENCER DONALD R
3 granted patents·115 citations·filing 1984–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0190US5240295AKnot tying deviceSPENCER DONALD R·Filed 1992·Granted Aug 31, 1993·47 cites·21 claims
- 0280US4998685AContainer for holding spools of thin lineSPENCER DONALD R·Filed 1988·Granted Mar 12, 1991·37 cites·20 claims
- 0379US4563834AContainer for fishing tackleSPENCER DONALD R·Filed 1984·Granted Jan 14, 1986·31 cites·22 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →