Frank Torrieri

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Perry, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Voice amplifier for mask
- Patent number 7,394,905
- Issue date Jul 1, 2008
- Ultra Electronics Audiopack, Inc.
- Mark Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

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
Voice amplifier for mask
- Publication number 20050213782
- Publication date Sep 29, 2005
- Mark Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone interface for mask
- Publication number 20050201548
- Publication date Sep 15, 2005
- Joseph Birli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE