Granted Patent
Utility
US 4,240,296 · App. 06/070,283
Measurement of torsional acceleration of a rotating body
Inventor:
Robert M. Kolodziej
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Aug 27, 1979
Inventor
Robert M. Kolodziej
Assignee (at issue)
Joy Manufacturing 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.