Donald R. Mainland

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Racine, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Shotgun shell ejector/extractor means for skeet gun carrier barrel...
- Patent number 5,018,293
- Issue date May 28, 1991
- Kolars Arms
- Donald R. Mainland
- F41 - WEAPONS
Information Patent Grant
Single barrel break-action trap shotgun
- Patent number 4,964,232
- Issue date Oct 23, 1990
- U. S. Competition Arms, Inc.
- Donald R. Mainland
- F41 - WEAPONS
Information Patent Grant
Sear for trigger mechanism
- Patent number 4,866,869
- Issue date Sep 19, 1989
- Remington Arms Company
- Donald R. Mainland
- F41 - WEAPONS
Information Patent Grant
Choke assemblies for shotguns
- Patent number 4,713,903
- Issue date Dec 22, 1987
- Kolar Arms
- Donald R. Mainland
- F41 - WEAPONS