William S. Cowgill

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Ventura, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Umbrella accessories and adapters thereof
- Patent number 10,973,289
- Issue date Apr 13, 2021
- William S. Cowgill
- A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents

Information Patent Application
UMBRELLA ACCESSORIES AND ADAPTERS THEREOF
- Publication number 20200018087
- Publication date Jan 16, 2020
- William S. Cowgill
- E04 - BUILDING