Granted Patent
Utility
US 4,534,748 · App. 06/335,981
Variable speed belt driven transmission system and method
Inventors:
Richard F. Stieg, John P. Dolan, W. Spencer Worley, III, Goran Gerbert
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Dec 30, 1981
Inventors
Richard F. Stieg
John P. Dolan
W. Spencer Worley, III
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.