Granted Patent
Utility
US 4,784,376 · App. 07/062,987
End cap assembly for air spring
Inventor:
Jack D. Ecktman
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Jun 17, 1987
Inventor
Jack D. Ecktman
Assignee (at issue)
The Firestone Tire & Rubber 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.