Granted Patent
Utility
US 4,252,052 · App. 06/020,516
Paperboard pouch forming method and apparatus
Inventors:
George L. Meyers, Peter T. Hunnicutt, William R. Walker, Douglas Schneider
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: Mar 14, 1979
Inventors
George L. Meyers
Peter T. Hunnicutt
William R. Walker
Douglas Schneider
Assignee (at issue)
American Can Company
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.