Granted Patent
Utility
US 4,830,156 · App. 07/161,182
Mechanical transmission clutch control
Inventors:
Glen R. Bellah, Kevin Byron Williams
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Feb 26, 1988
Inventors
Glen R. Bellah
Kevin Byron Williams
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.