James M. Pfotenhauer

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Escanaba, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Spring type projecting device
- Patent number 4,050,438
- Issue date Sep 27, 1977
- James M. Pfotenhauer
- F41 - WEAPONS
Information Patent Grant
Crossbow type gun
- Patent number 3,968,783
- Issue date Jul 13, 1976
- James M. Pfotenhauer
- F41 - WEAPONS
Information Patent Grant
Manually cocking spring-powered projectile launcher
- Patent number 3,963,017
- Issue date Jun 15, 1976
- James M. Pfotenhauer
- B24 - GRINDING POLISHING
Information Patent Grant
Elastic band guided article projecting device
- Patent number 3,949,729
- Issue date Apr 13, 1976
- James M. Pfotenhauer
- F41 - WEAPONS