Granted Patent
Utility
US 4,872,263 · App. 07/252,822
Lubricating device
Inventor:
Robert Etheredge
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Sep 30, 1988
Inventor
Robert Etheredge
Assignee (at issue)
The Kendall Company LP
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.