Granted Patent
Utility
US 4,949,992 · App. 07/402,165
Collapsible steering column
Inventor:
William M. Abramczyk
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Sep 1, 1989
Inventor
William M. Abramczyk
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.