Granted Patent
Utility
US 5,820,156 · App. 08/823,348
Vehicle suspension system
Inventor:
Ervin K. VanDenberg
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Mar 24, 1997
Inventor
Ervin K. VanDenberg
Assignee (at issue)
Suspensions Incorporated
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.