Granted Patent
Utility
US 4,545,172 · App. 06/414,259
Energy absorbing structure
Inventor:
Gordon A. Wardill
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Aug 9, 1982
Inventor
Gordon A. Wardill
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.