Inventor · disambiguated record
Charles Campbell
Also filed as: CAMPBELL CHARLES · CAMPBELL CHARLES D
8 granted patents·1 pending application·316 citations·filing 1978–2021
89Inventor score
Top patents by PatentIndex Score
9 records- 0193US5037677AMethod of interlaminar grafting of coatingsHALPERN GREGORY·Filed 1989·Granted Aug 6, 1991·89 cites·8 claims
- 0292US4801475AMethod of hydrophilic coating of plasticsHALPERN GREGORY·Filed 1984·Granted Jan 31, 1989·77 cites·4 claims
- 0388US4959074AMethod of hydrophilic coating of plasticsHALPERN GERGORY·Filed 1988·Granted Sep 25, 1990·81 cites·1 claims
- 0487US5023114AMethod of hydrophilic coating of plasticsHALPERN GREGORY·Filed 1990·Granted Jun 11, 1991·46 cites·7 claims
- 0553US4288149AResin ophthalmic lenses having a prismatic segmentSIGNET OPTICAL CORP·Filed 1978·Granted Sep 8, 1981·10 cites·4 claims
- 0650US2022054447A1Cannabis compositions and methodsTETRA BIO PHARMA INC·Filed 2019·Application pending·0 cites
- 0743US4163655AMethod of manufacture of molds for resin ophthalmic lenses having a segment with prismatic optical effectSIGNET OPTICAL CORP·Filed 1978·Granted Aug 7, 1979·7 cites·17 claims
- 0841US4163541AMold for the casting of resin ophthalmic lenses having a prismatic segmentSIGNET OPTICAL CORP·Filed 1978·Granted Aug 7, 1979·6 cites·14 claims
- 0936US12129227B2Methods, processes, and compositions for improved preparation of HU308 and HU433TETRA BIO PHARMA INC·Filed 2021·Granted Oct 29, 2024·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →