Granted Patent
Utility
US 4,267,984 · App. 06/129,965
Method and apparatus for separating strip coil from wound construct by rotation
Inventor:
William Box
Patented Case
View Patent ↗
Granted: May 19, 1981
Filed: Mar 13, 1980
Inventor
William Box
Assignee (at issue)
United States Steel Corporation
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.