Granted Patent
Utility
US 4,238,261 · App. 05/947,879
Method for forming a zero tail length splice in a moving web
Inventor:
Richard S. Tetro
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Oct 2, 1978
Inventor
Richard S. Tetro
Assignee (at issue)
Black Clawson Company, Inc.
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.