Granted Patent
Utility
US 3,948,425 · App. 05/481,918
Web handling apparatus
Inventor:
John L. Bala
Patented Case
View Patent ↗
Granted: Apr 6, 1976
Filed: Jun 21, 1974
Inventor
John L. Bala
Assignee (at issue)
Packaging Industries Group, 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.