Charles B. Derringer

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Livermore, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Contact lenses with microchannels
- Patent number 11,947,192
- Issue date Apr 2, 2024
- CooperVision International Limited
- Sourav Saha
- G02 - OPTICS
Information Patent Grant
Contact lenses with microchannels
- Patent number 11,550,166
- Issue date Jan 10, 2023
- CooperVision International Limited
- Sourav Saha
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Contact Lenses with Microchannels
- Publication number 20230107664
- Publication date Apr 6, 2023
- COOPERVISION INTERNATIONAL LIMITED
- Sourav Saha
- G02 - OPTICS
Information Patent Application
Contact Lenses with Microchannels
- Publication number 20200387009
- Publication date Dec 10, 2020
- COOPERVISION INTERNATIONAL HOLDING COMPANY, L.P.
- Sourav Saha
- G02 - OPTICS