Granted Patent
Utility
US 4,523,917 · App. 06/565,642
Variable pitch diameter torque sensing pulley assembly
Inventor:
Walter C. Schildt
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Dec 27, 1983
Inventor
Walter C. Schildt
Assignee (at issue)
DANA LIMITED
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.