John A. Kallevig

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Two-piece ammunition propellant containment bag
- Patent number 5,090,323
- Issue date Feb 25, 1992
- 501 Alliant Techsytems Inc.
- John A. Kallevig
- F42 - AMMUNITION BLASTING