Granted Patent
Utility
US 4,765,169 · App. 07/115,673
Method of tension leveling nonhomogeneous metal sheet
Inventor:
Charles R. Bradlee
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Nov 2, 1987
Inventor
Charles R. Bradlee
Assignee (at issue)
The Monarch Machine Tool 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.