Michael T. Rupert

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Sarver, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Communications device for a protective helmet
- Patent number 7,110,743
- Issue date Sep 19, 2006
- Mine Safety Appliances Company
- Larry Depew
- A42 - HEADWEAR

Patents Applicationslast 30 patents

Information Patent Application
BREATHING APPARATUS SYSTEM
- Publication number 20120067348
- Publication date Mar 22, 2012
- Jeremy A. Steck
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Communications device for a protective helmet
- Publication number 20040261158
- Publication date Dec 30, 2004
- Larry Depew
- A42 - HEADWEAR