Inventor · disambiguated record
Donald R. Spencer
Also filed as: SPENCER DONALD B · SPENCER DONALD J · SPENCER DONALD R
6 granted patents·6 pending applications·178 citations·filing 1984–2004
86Inventor score
Top patents by PatentIndex Score
12 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
- 0469US5564557AImpact absorbing apparatus for a belt conveyorHINKLE CONTRACTING CORP·Filed 1994·Granted Oct 15, 1996·26 cites·14 claims
- 0562US5547569AMultiple stage water clarifierHINKLE CONTRACTING CORP·Filed 1995·Granted Aug 20, 1996·32 cites·17 claims
- 0651US2007051766A1Tablet and notebook pc carrierSPENCER DONALD B·Filed 2004·Application pending·0 cites
- 0747US2003014630A1Secure music deliveryFiled 2001·Application pending·0 cites
- 0847US2003014436A1Closed-loop delivery to integrated download managerFiled 2001·Application pending·0 cites
- 0946US2003069854A1Expiring content on playback devicesFiled 2001·Application pending·0 cites
- 1034US2003014496A1Closed-loop delivery systemFiled 2001·Application pending·0 cites
- 1134US2003131226A1Dynamic distributed configuration management systemFiled 2002·Application pending·0 cites
- 1232US5987806ACastable fishing bobberFiled 1997·Granted Nov 23, 1999·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →