Charles W. Coffman II

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Cartridge with rapidly increasing sequential ignitions for guns and...
- Patent number 9,182,201
- Issue date Nov 10, 2015
- Charles W. Coffman
- F42 - AMMUNITION BLASTING
Information Patent Grant
Progressive gun spring recoil system with high energy rebound
- Patent number 8,939,059
- Issue date Jan 27, 2015
- Recoil Rebound, LLC
- Charles W. Coffman
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
Progressive Gun Spring Recoil System with High Energy Rebound
- Publication number 20140216243
- Publication date Aug 7, 2014
- Charles W. Coffman
- F41 - WEAPONS
Information Patent Application
Cartridge with Rapidly Increasing Sequential Ignitions for Guns and...
- Publication number 20130305950
- Publication date Nov 21, 2013
- Charles W. Coffman
- F42 - AMMUNITION BLASTING