Mark A. Westrom

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Silvis, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Cartridge for a firearm
- Patent number 6,367,389
- Issue date Apr 9, 2002
- Mark A. Westrom
- F42 - AMMUNITION BLASTING
Information Patent Grant
Breech bolt assembly for a firearm
- Patent number 6,044,748
- Issue date Apr 4, 2000
- Armalite, Inc.
- Mark A. Westrom
- F41 - WEAPONS
Information Patent Grant
Breech bolt assembly for a firearm
- Patent number 5,911,173
- Issue date Jun 8, 1999
- Mark A. Westrom
- F41 - WEAPONS
Information Patent Grant
Ammunition magazine
- Patent number 5,638,626
- Issue date Jun 17, 1997
- Mark Westrom
- F41 - WEAPONS