Granted Patent
Utility
US 4,591,091 · App. 06/635,192
Aseptic container with tamper-resistant spout and blank therefor
Inventor:
Daniel J. Wise
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Jul 27, 1984
Inventor
Daniel J. Wise
Assignee (at issue)
Combibloc, 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.