Granted Patent
Utility
US 4,381,589 · App. 06/225,901
Method of manufacturing a resilient side bearing
Inventor:
Geoffrey W. Cope
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Jan 19, 1981
Inventor
Geoffrey W. Cope
Assignee (at issue)
Dresser Industries, 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.