Granted Patent
Utility
US 3,969,918 · App. 05/538,548
Method and apparatus for blanking coil stock for transfer presses
Inventors:
Donald E. Bernotus, Leo L. Levitt
Patented Case
View Patent ↗
Granted: Jul 20, 1976
Filed: Jan 6, 1975
Inventors
Donald E. Bernotus
Leo L. Levitt
Assignee (at issue)
Verson Allsteel Press 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.