David Potts

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Parma Heights, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Lapel microphone with push to talk switch
- Patent number 7,349,551
- Issue date Mar 25, 2008
- Ultra Electronics Audiopack, Inc.
- Greg Skillicorn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Cell phone interface to personal protection device
- Publication number 20070049360
- Publication date Mar 1, 2007
- Joseph Birli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lapel microphone with push to talk switch
- Publication number 20060050917
- Publication date Mar 9, 2006
- Greg Skillicorn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communications device for a protective helmet
- Publication number 20040261158
- Publication date Dec 30, 2004
- Larry Depew
- A42 - HEADWEAR
Information Patent Application
Mask communication system
- Publication number 20030224838
- Publication date Dec 4, 2003
- Greg Skillicorn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE