John W. Duchek

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Red Lion, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pre-molded AFT seal for discarding sabot projectiles
- Patent number 5,962,807
- Issue date Oct 5, 1999
- Primex Technologies, Inc.
- William B. Stewart
- F42 - AMMUNITION BLASTING
Information Patent Grant
Pre-molded aft seal for discarding sabot projectiles
- Patent number 5,747,725
- Issue date May 5, 1998
- Primex Technologies, Inc.
- W. Brian Stewart
- F42 - AMMUNITION BLASTING