Granted Patent
Utility
US 6,123,461 · App. 09/139,153
Oil film bearing sleeve and keying arrangement
Inventor:
Thomas C. Wojtkowski, Jr.
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Aug 24, 1998
Inventor
Thomas C. Wojtkowski, 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.