Granted Patent
Utility
US 5,936,551 · App. 08/832,214
Vehicle detector with improved reference tracking
Inventors:
Robert S. Allen, Thomas Potter
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Apr 3, 1997
Inventors
Robert S. Allen
Thomas Potter
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.