Granted Patent
Utility
US 4,800,624 · App. 07/144,626
Hinge with elastomerically supported check spring
Inventors:
Douglas E. Whitefoot, Sumorfin Salazar
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Jan 11, 1988
Inventors
Douglas E. Whitefoot
Sumorfin Salazar
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.