Assignee
COFFMAN II CHARLES W
US·2 granted patents·21 citations·filing 2013–2013
Top patents by PatentIndex Score
2 records- 0173US8939059B2Progressive gun spring recoil system with high energy reboundCOFFMAN II CHARLES W·Filed 2013·Granted Jan 27, 2015·17 cites·29 claims
- 0257US9182201B2Cartridge with rapidly increasing sequential ignitions for guns and ordnancesCOFFMAN II CHARLES W·Filed 2013·Granted Nov 10, 2015·4 cites·17 claims
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