Granted Patent
Utility
US 4,384,455 · App. 06/177,147
Hydraulic motor bypass apparatus
Inventor:
Charles M. Kline
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Aug 11, 1980
Inventor
Charles M. Kline
Assignee (at issue)
Sperry Corp.
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.