Granted Patent
Utility
US 5,874,155 · App. 08/590,410
Easy-opening flexible packaging laminates and packaging materials made therefrom
Inventors:
Russell P. Gehrke, Joseph C. Hsu, David J. Haas, Jay D. Hodson
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Jan 25, 1996
Inventors
Russell P. Gehrke
Joseph C. Hsu
David J. Haas
Jay D. Hodson
Assignee (at issue)
American National 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.