Granted Patent
Utility
US 5,251,682 · App. 07/873,775
Cast disk and method of manufacturing the same
Inventors:
Roger T. Cline, George B. Day, Wilford R. Shaw
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Apr 27, 1992
Inventors
Roger T. Cline
George B. Day
Wilford R. Shaw
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.