Granted Patent
Utility
US 5,830,097 · App. 08/857,501
Multi-range with infinitely variable ratio in each range, hydromechanical transmission for off-road vehicles
Inventor:
Robert F. Larkin
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: May 16, 1997
Inventor
Robert F. Larkin
Assignee (at issue)
General Dynamics Defense Systems, Inc.
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.