Inventor

KILLEY GRANT S

US3 patents

Patents

3 patents

US6047280AApr 4, 2000

Interface layer for navigation system

NAVIGATION TECH CORP172 citations97

US6173277B1Jan 9, 2001

Interface layer for navigation system

NAVIGATION TECH CORP84 citations96

US6370539B1Apr 9, 2002

Interface layer for navigation system

NAVIGATION TECH CORP73 citations95