Brian F. Weinstock

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Toy projectile system and method that utilizes bi-stable ribbon spr...
- Patent number 9,212,863
- Issue date Dec 15, 2015
- Brian F. Weinstock
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
MESS-FREE SAND PLAY DEVICE
- Publication number 20170354898
- Publication date Dec 14, 2017
- Crayola, LLC
- BRIAN F. WEINSTOCK
- A63 - SPORTS GAMES AMUSEMENTS