Granted Patent
Utility
US 4,808,323 · App. 06/914,197
Non-deleterious dry film lubricant coating composition, rubber sealing element coated therewith; and method of
Inventors:
Eugenia T. Fisher, William D. Best
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Oct 1, 1986
Inventors
Eugenia T. Fisher
William D. Best
Assignee (at issue)
Federal-Mogul 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.