Granted Patent
Utility
US 4,560,095 · App. 06/472,590
Lever operated lubricator
Inventor:
Jerry Shew
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Mar 7, 1983
Inventor
Jerry Shew
Assignee (at issue)
Stewart Warner Corporation
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.