Keith J. Sprangers

Follow

Person

Racine, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of removing a hammer from a shotgun
- Patent number 5,463,829
- Issue date Nov 7, 1995
- U.S. Competition Arms Inc.
- Keith J. Sprangers
- F41 - WEAPONS
Information Patent Grant
Double barrel break-action shotgun
- Patent number 5,433,027
- Issue date Jul 18, 1995
- U. S. Competition Arms, Inc.
- Keith J. Sprangers
- F41 - WEAPONS
Information Patent Grant
Double barrel break-action shotgun
- Patent number 5,349,773
- Issue date Sep 27, 1994
- U.S. Competiton Arms, Inc.
- Keith J. Sprangers
- 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