Granted Patent
Utility
US 4,239,104 · App. 06/060,760
Glued folder
Inventors:
Harry I. Roccaforte, Irvin W. Sherwood
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Jul 26, 1979
Inventors
Harry I. Roccaforte
Irvin W. Sherwood
Assignee (at issue)
Champion International Corporation Limited
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.