David T. Schaaf

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Torrance, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Map scrolling method and apparatus for navigation system for select...
- Patent number 9,927,245
- Issue date Mar 27, 2018
- Alpine Electronics, Inc.
- David T. Schaaf
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Map scrolling method and apparatus for navigation system for select...
- Patent number 9,116,004
- Issue date Aug 25, 2015
- Alpine Electronics, Inc.
- David T. Schaaf
- G01 - MEASURING TESTING
Information Patent Grant
Route determination method and apparatus for navigation system
- Patent number 7,945,383
- Issue date May 17, 2011
- Alpine Electronics, Inc.
- Ihung Tu
- G01 - MEASURING TESTING
Information Patent Grant
User interface for selecting destinations by address in a vehicle n...
- Patent number 6,112,153
- Issue date Aug 29, 2000
- Alpine Electronics, Inc.
- David T. Schaaf
- G01 - MEASURING TESTING
Information Patent Grant
Mapping system with house number representation
- Patent number 6,035,299
- Issue date Mar 7, 2000
- Alpine Electronics, Inc.
- Kerry M. White
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
MAP SCROLLING METHOD AND APPARATUS FOR NAVIGATION SYSTEM FOR SELECT...
- Publication number 20150292889
- Publication date Oct 15, 2015
- ALPINE ELECTRONICS, INC.
- David T. Schaaf
- G01 - MEASURING TESTING
Information Patent Application
MAP SCROLLING METHOD AND APPARATUS FOR NAVIGATION SYSTEM FOR SELECT...
- Publication number 20130268892
- Publication date Oct 10, 2013
- Dave Schaaf
- G01 - MEASURING TESTING
Information Patent Application
Map scrolling method and apparatus for navigation system for select...
- Publication number 20090088964
- Publication date Apr 2, 2009
- Dave Schaaf
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Route determination method and apparatus for navigation system
- Publication number 20060241854
- Publication date Oct 26, 2006
- Ihung Tu
- G01 - MEASURING TESTING