John M. Melberg

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Andover, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Lead-free, heavy-metal-free rim-fire priming composition dedicated...
- Patent number 5,993,577
- Issue date Nov 30, 1999
- Federal Cartridge Company
- Jack A. Erickson
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Non-toxic rim-fire primer
- Patent number 5,610,367
- Issue date Mar 11, 1997
- Federal-Hoffman, Inc.
- Jack A. Erickson
- C06 - EXPLOSIVES MATCHES