Mark L. Stephens

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Alta Loma, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Light armor piercing automatic rifle
- Patent number 5,202,530
- Issue date Apr 13, 1993
- Mark L. Stephens
- F41 - WEAPONS
Information Patent Grant
Silencer
- Patent number 5,078,043
- Issue date Jan 7, 1992
- Mark L. Stephens
- F41 - WEAPONS
Information Patent Grant
Self cleaning automatic machine pistol and silencer for the same
- Patent number 4,977,815
- Issue date Dec 18, 1990
- Mark L. Stephens
- F41 - WEAPONS