Granted Patent
Utility
US 4,772,137 · App. 07/031,422
Oil film bearing and bushing
Inventors:
Lowell S. Salter, Jr., Thomas E. Simmons, Charles L. Innis, Jr.
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Mar 30, 1987
Inventors
Lowell S. Salter, Jr.
Thomas E. Simmons
Charles L. Innis, Jr.
Assignee (at issue)
Morgan Construction Company
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.