Granted Patent
Utility
US 5,147,248 · App. 07/749,673
Power transmission sheave and method of manufacturing the same
Inventors:
Michael L. Lewis, Paul G. Kurre, George B. Day, Daniel G. Fannin, Roland C. Thomas
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Aug 26, 1991
Inventors
Michael L. Lewis
Paul G. Kurre
George B. Day
Daniel G. Fannin
Roland C. Thomas
Assignee (at issue)
Emerson Electric Co.
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.