Granted Patent
Utility
US 4,233,852 · App. 05/967,768
Mechanical power transmission system
Inventor:
James A. Bruns
Patented Case
View Patent ↗
Granted: Nov 18, 1980
Filed: Dec 8, 1978
Inventor
James A. Bruns
Assignee (at issue)
Uniroyal Ltd.
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.