Granted Patent
Utility
US 4,290,322 · App. 06/042,514
Electronic transmission control
Inventor:
Thomas W. Huitema
Patented Case
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Granted: Sep 22, 1981
Filed: May 25, 1979
Inventor
Thomas W. Huitema
Assignee (at issue)
J. I. Case 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.