Inventor · disambiguated record
Charles R. Stephens, Jr.
Also filed as: STEPHENS CHARLES R · STEPHENS JR CHARLES R
4 granted patents·76 citations·filing 1973–1983
78Inventor score
Files withPFIZER4
Top patents by PatentIndex Score
4 records- 0190US4066694A4-hydroxy-4-dedimethylamino-tetracyclinesPFIZER·Filed 1973·Granted Jan 3, 1978·38 cites·3 claims
- 0270US4089900AAntimicrobial agentsPFIZER·Filed 1976·Granted May 16, 1978·10 cites·2 claims
- 0366US4536396ASynergistic sweetening compositionsPFIZER·Filed 1983·Granted Aug 20, 1985·23 cites·22 claims
- 0455US4289702APreparation of erythorbic acid and ascorbis acid 6-fatty acid estersPFIZER·Filed 1980·Granted Sep 15, 1981·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →