Ryan M. Kroll

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Crystal Bay, MN, US

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Patents Applicationslast 30 patents

Information Patent Application
Electronic Control Device With Wireless Projectiles
- Publication number 20100089273
- Publication date Apr 15, 2010
- KROLL FAMILY TRUST
- Ryan Kroll
- F41 - WEAPONS
Information Patent Application
EXERCISE EQUIPMENT SAFETY APPARATUSES
- Publication number 20090203505
- Publication date Aug 13, 2009
- Ryan M. Kroll
- A63 - SPORTS GAMES AMUSEMENTS