Granted Patent
Utility
US 4,567,790 · App. 06/630,940
Motion transmitting system
Inventors:
Roger P. Butterfield, Charles M. Allaben, Jr.
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Jul 16, 1984
Inventors
Roger P. Butterfield
Charles M. Allaben, Jr.
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.