Granted Patent
Utility
US 4,571,216 · App. 06/739,739
Variable speed belt driven transmission system and method
Inventors:
Richard F. Stieg, John P. Dolan, Wm. Spencer Worley, Goran Gerbert
Patented Case
View Patent ↗
Granted: Feb 18, 1986
Filed: May 31, 1985
Inventors
Richard F. Stieg
John P. Dolan
Wm. Spencer Worley
Goran Gerbert
Assignee (at issue)
The Gates Rubber 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.