Marvin L. Hasenack Jr.

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Raton, NM, US

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Patents Grantslast 30 patents

Information Patent Grant
Current limiter circuit
- Patent number 5,301,082
- Issue date Apr 5, 1994
- Stolar, Inc.
- Larry G. Stolarczyk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Medium frequency mine communication system
- Patent number 5,093,929
- Issue date Mar 3, 1992
- Stolar, Inc.
- Larry G. Stolarczyk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Medium frequency mine communication system
- Patent number 4,879,755
- Issue date Nov 7, 1989
- Stolar, Inc.
- Larry G. Stolarczyk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE