Granted Patent
Utility
US 4,916,749 · App. 07/341,002
Elastomeric bushing and method of manufacturing the same
Inventors:
Henry F. Urban, Jay W. Thornhill
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Apr 20, 1989
Inventors
Henry F. Urban
Jay W. Thornhill
Assignee (at issue)
The Pullman Company LLC
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.