Inventor · disambiguated record
Charles B. Derringer
Also filed as: DERRINGER CHARLES B
3 granted patents·1 pending application·21 citations·filing 2003–2022
61Inventor score
Top patents by PatentIndex Score
4 records- 0174US7329452B2Gas-permeable membraneAPIO INC·Filed 2003·Granted Feb 12, 2008·21 cites·18 claims
- 0271US11947192B2Contact lenses with microchannelsCOOPERVISION INT LTD·Filed 2022·Granted Apr 2, 2024·0 cites·20 claims
- 0362US11550166B2Contact lenses with microchannelsCOOPERVISION INT LTD·Filed 2020·Granted Jan 10, 2023·0 cites·21 claims
- 0458US2008184683A1Gas-permeable membraneCLARKE RAYMOND·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →