Granted Patent
Utility
US 4,807,495 · App. 07/197,735
Temperature-dependent infinitely variable ratio transmission control system and method
Inventor:
David A. Wallace
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: May 23, 1988
Inventor
David A. Wallace
Assignee (at issue)
General Electric 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.