William H. Grehl

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Wallingford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Safety and bolt assembly system for firearms
- Patent number 5,941,005
- Issue date Aug 24, 1999
- O. F. Mossberg & Sons, Inc.
- Vincent Battaglia
- F41 - WEAPONS
Information Patent Grant
Combination plastic spring guide and buffer for automatic pistol
- Patent number 4,754,689
- Issue date Jul 5, 1988
- Colt Industries Inc.
- William H. Grehl
- F41 - WEAPONS
Information Patent Grant
Gas actuated operating mechanism for autoloading firearm
- Patent number 4,505,183
- Issue date Mar 19, 1985
- O. F. Mossberg & Sons, Inc.
- William H. Grehl
- F41 - WEAPONS
Information Patent Grant
Firing-pin blocking device for firearms
- Patent number 4,270,295
- Issue date Jun 2, 1981
- O. F. Mossberg & Sons, Inc.
- William H. Grehl
- F41 - WEAPONS
Information Patent Grant
Magazine cap retaining means for tubular magazine firearms
- Patent number 4,087,930
- Issue date May 9, 1978
- O. F. Mossberg & Sons, Inc.
- William H. Grehl
- F41 - WEAPONS