Inventor
HANSON JOHN L
US2 patents
Patents
2 patentsUS6401034B1Jun 4, 2002
Method and system for finding intermediate destinations with a navigation system
NAVIGATION TECH CORP371 citations96
US5999878ADec 7, 1999
System and method for acquiring geographic data for forming a digital database of road geometry in a geographic region
NAVIGATION TECH CORP87 citations88