Inventor · disambiguated record
David R. Spencer
Also filed as: BAXTER LARRY K · SPENCER DAVID R
10 granted patents·232 citations·filing 1962–2019
89Inventor score
Top patents by PatentIndex Score
10 records- 0192US4578689ADual mode laser printerDATA RECORDING SYST INC·Filed 1984·Granted Mar 25, 1986·112 cites·5 claims
- 0280US4110795AMethod of graphic data redundancy reduction in an optical facsimile systemLITTON SYSTEMS INC·Filed 1976·Granted Aug 29, 1978·25 cites·8 claims
- 0378US4613877AHigh resolution laser printerDATA RECORDING SYST INC·Filed 1984·Granted Sep 23, 1986·57 cites·10 claims
- 0469US3974230AStabilized 1,1,1-trichloroethaneDOW CHEMICAL CO·Filed 1974·Granted Aug 10, 1976·8 cites·3 claims
- 0566US10332057B2Evaluation of output-producing asset productivitySPENCERMETRICS LLC·Filed 2015·Granted Jun 25, 2019·2 cites·7 claims
- 0661US4161757AFacsimile systemLITTON SYSTEMS INC·Filed 1977·Granted Jul 17, 1979·12 cites·4 claims
- 0755US4115461AStabilized 1,1,1-trichloroethane compositionDOW CHEMICAL CO·Filed 1977·Granted Sep 19, 1978·7 cites·2 claims
- 0851US10657481B2Evaluation of output-producing asset productivitySPENCERMETRICS LLC·Filed 2019·Granted May 19, 2020·0 cites·7 claims
- 0941US4290086AFirst grate detector for an optical scanning systemLITTON SYSTEMS INC·Filed 1980·Granted Sep 15, 1981·6 cites·11 claims
- 1030US4114156AFrequency shift rate detectorUS ARMY·Filed 1962·Granted Sep 12, 1978·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →