John Matcovich

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Woodside, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple tier ammunition magazine
- Patent number 4,831,914
- Issue date May 23, 1989
- David Dardick
- F41 - WEAPONS
Information Patent Grant
Energy transfer multi-barrel gun
- Patent number 4,748,892
- Issue date Jun 7, 1988
- David Dardick
- F41 - WEAPONS