Inventor
FEIGEN JERRY S
US4 patents
Patents
4 patentsUS6047280AApr 4, 2000
Interface layer for navigation system
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US6173277B1Jan 9, 2001
Interface layer for navigation system
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US6429813B2Aug 6, 2002
Method and system for providing end-user preferences with a navigation system
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US6370539B1Apr 9, 2002
Interface layer for navigation system
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