Erwin C. Treat Jr.

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Maple Valley, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronically controlled weapons range with return fire
- Patent number 5,980,254
- Issue date Nov 9, 1999
- Advanced Interactive Systems, Inc.
- Eric G. Muehle
- F41 - WEAPONS
Information Patent Grant
Simulated weapon with gas cartridge
- Patent number 5,947,738
- Issue date Sep 7, 1999
- Advanced Interactive Systems, Inc.
- Eric G. Muehle
- F41 - WEAPONS
Information Patent Grant
Simulator and practice method
- Patent number 5,649,706
- Issue date Jul 22, 1997
- Erwin C. Treat
- F41 - WEAPONS