Granted Patent
Utility
US 5,568,136 · App. 08/523,543
Method and apparatus for identifying and measuring the distance between vehicles
Inventors:
Peter A. Hochstein, Dennis M. Foy
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Sep 5, 1995
Inventors
Peter A. Hochstein
Dennis M. Foy
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.