David T. Roach

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Programmable analog input/output integrated circuit system
- Patent number 7,366,577
- Issue date Apr 29, 2008
- SigmaTel, Inc.
- Leonard J DiSanza
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for remote telephone calibration
- Patent number 6,990,190
- Issue date Jan 24, 2006
- GN Jabra Corporation
- Daniel W. Mauney
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for remote telephone calibration
- Patent number 6,453,042
- Issue date Sep 17, 2002
- Jabra Corporation
- David T. Roach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for remote telephone calibration
- Patent number 5,734,713
- Issue date Mar 31, 1998
- Jabra Corporation
- Daniel Wayne Mauney
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Programmable analog input/output integrated circuit system
- Publication number 20040122541
- Publication date Jun 24, 2004
- Leonard J. DiSanza
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for remote telephone calibration
- Publication number 20030021408
- Publication date Jan 30, 2003
- GN Jabra Corporation
- Daniel Wayne Mauney
- H04 - ELECTRIC COMMUNICATION TECHNIQUE