Jeffrey Havens

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Madison, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Voice and text transmission system
- Patent number 6,504,910
- Issue date Jan 7, 2003
- Robert Engelke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Voice and text transmission system
- Publication number 20030125952
- Publication date Jul 3, 2003
- Robert Engelke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE