Granted Patent
Utility
US 4,637,621 · App. 06/750,201
Active shock absorbing system for a vehicle
Inventor:
Harry J. Venema
Patented Case
View Patent ↗
Granted: Jan 20, 1987
Filed: Jul 1, 1985
Inventor
Harry J. Venema
Assignee (at issue)
BorgWarner Inc.
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.