Shawn MCDERMOTT

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for injection molding weld line free minus power lens elements
- Patent number 11,697,256
- Issue date Jul 11, 2023
- Essilor International
- Hao-Wen Chiu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for injection molding plus power lens elements
- Patent number 11,654,644
- Issue date May 23, 2023
- Essilor International
- Hao-Wen Chiu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR INJECTION MOLDING WELD LINE FREE MINUS POWER LENS ELEMENTS
- Publication number 20190389159
- Publication date Dec 26, 2019
- Hao-Wen CHIU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD FOR INJECTION MOLDING PLUS POWER LENS ELEMENTS
- Publication number 20190389160
- Publication date Dec 26, 2019
- Essilor International
- Hao-Wen CHIU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL