Granted Patent
Utility
US 5,451,927 · App. 08/106,674
Automotive fuel filler pipe cap detection system
Inventor:
Robert H. Thompson
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Aug 16, 1993
Inventor
Robert H. Thompson
Assignee (at issue)
Ford Motor Company
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.