Granted Patent
Utility
US 5,283,575 · App. 07/789,287
System and method for locating a travelling vehicle
Inventors:
Wei-Wen Kao, Liang-Jong Huang
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Nov 8, 1991
Inventors
Wei-Wen Kao
Liang-Jong Huang
Assignees (at issue)
Zexel GmbH
Daihatsu-Nissay
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.