John J. Schantz

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Swartz Creek, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Bag gripping device
- Patent number 11,350,727
- Issue date Jun 7, 2022
- John J. Schantz
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Putter site orienting device
- Patent number 8,388,460
- Issue date Mar 5, 2013
- John J. Schantz
- A63 - SPORTS GAMES AMUSEMENTS