Granted Patent
Utility
US 4,373,926 · App. 06/170,529
Automatic transmission having a continuously variable drive ratio
Inventor:
Robert L. Fullerton
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Jul 21, 1980
Inventor
Robert L. Fullerton
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.