Darwin David Williams

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New Town, ND, US

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Patents Grantslast 30 patents

Information Patent Grant
Sports signaling system having a shield protecting a player unit
- Patent number 11,344,779
- Issue date May 31, 2022
- Darwin David Williams
- F21 - LIGHTING
Information Patent Grant
Sports signaling system
- Patent number 11,071,900
- Issue date Jul 27, 2021
- Darwin David Williams
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Sports Signaling System Having a Shield Protecting a Player Unit
- Publication number 20210322844
- Publication date Oct 21, 2021
- Darwin David Williams
- F21 - LIGHTING
Information Patent Application
Sports signaling system
- Publication number 20200188761
- Publication date Jun 18, 2020
- Darwin David Williams
- A63 - SPORTS GAMES AMUSEMENTS