Granted Patent
Utility
US 4,365,473 · App. 06/251,522
Hydrostatic transmission having an overspeed control
Inventors:
Lawrence F. Schexnayder, William J. Spivey, Jr.
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Aug 20, 1980
Inventors
Lawrence F. Schexnayder
William J. Spivey, Jr.
Assignee (at issue)
Caterpillar Tractor 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.