Granted Patent
Utility
US 5,137,763 · App. 07/402,747
Multiple layer packaging sheet material
Inventors:
Frank T. Bauer, Yong Joo Kim, Roger P. Genske
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: Sep 5, 1989
Inventors
Frank T. Bauer
Yong Joo Kim
Roger P. Genske
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.