Ruth A. Schaefer

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North Ogden, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Moisture-resistant black powder substitute compositions
- Patent number 7,459,043
- Issue date Dec 2, 2008
- Alliant Techsystems Inc.
- Reed J. Blau
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Additive for composition B and composition B replacements that miti...
- Patent number 7,033,449
- Issue date Apr 25, 2006
- Alliant Techsystems Inc.
- Ruth A. Schaefer
- C06 - EXPLOSIVES MATCHES

Patents Applicationslast 30 patents

Information Patent Application
Moisture-resistant black powder substitute compositions and method...
- Publication number 20050072501
- Publication date Apr 7, 2005
- Reed J. Blau
- C06 - EXPLOSIVES MATCHES
Information Patent Application
Additive for composition B and composition B replacements that miti...
- Publication number 20040200378
- Publication date Oct 14, 2004
- Ruth A. Schaefer
- C06 - EXPLOSIVES MATCHES