Tracy M. Bartlein

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Hubertus, WI, US

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Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for rifling a firearm barrel
- Publication number 20100161106
- Publication date Jun 24, 2010
- Tracy M. Bartlein
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method and apparatus for rifling a firearm barrel
- Publication number 20070258783
- Publication date Nov 8, 2007
- Tracy M. Bartlein
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR