Eric Wistrand

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Antioch, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Stateful, double-buffered dynamic navigation voice prompting
- Patent number 8,521,422
- Issue date Aug 27, 2013
- TeleCommunication Systems, Inc.
- Eric Wistrand
- G01 - MEASURING TESTING
Information Patent Grant
Stateful, double-buffered dynamic navigation voice prompting
- Patent number 8,224,572
- Issue date Jul 17, 2012
- TeleCommunication Systems, Inc.
- Eric Wistrand
- G01 - MEASURING TESTING
Information Patent Grant
Stateful, double-buffered dynamic navigation voice prompting
- Patent number 8,099,238
- Issue date Jan 17, 2012
- TeleCommunication Systems, Inc.
- Eric Wistrand
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Stateful, Double-Buffered Dynamic Navigation Voice Prompting
- Publication number 20120284030
- Publication date Nov 8, 2012
- Eric Wistrand
- G01 - MEASURING TESTING
Information Patent Application
Stateful, Double-Buffered Dynamic Navigation Voice Prompting
- Publication number 20120116777
- Publication date May 10, 2012
- Eric Wistrand
- G01 - MEASURING TESTING
Information Patent Application
Point-of-interest panning on a displayed map with a persistent sear...
- Publication number 20090144247
- Publication date Jun 4, 2009
- Eric Wistrand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Stateful, double-buffered dynamic navigation voice prompting
- Publication number 20090125227
- Publication date May 14, 2009
- Eric Wistrand
- G01 - MEASURING TESTING