Inventor
LOUGHMILLER JR GEORGE E
US3 patents
Patents
3 patentsUS4914605AApr 3, 1990
Apparatus and method for displaying a map
ETAK INC380 citations97
US4796191AJan 3, 1989
Vehicle navigational system and method
ETAK INC271 citations97
US5694534ADec 2, 1997
Apparatus storing a presentation of topological structures and methods of building and searching the representation
ETAK INC80 citations92