Granted Patent
Utility
US 4,458,318 · App. 06/257,036
Control arrangement for a variable pulley transmission
Inventors:
Geoffrey N. Smit, Scott R. Anderson, Shan-Chin Tsai
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Apr 24, 1981
Inventors
Geoffrey N. Smit
Scott R. Anderson
Shan-Chin Tsai
Assignee (at issue)
BorgWarner 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.