Granted Patent
Utility
US 4,894,107 · App. 06/735,082
Process for making multiple layer polymeric films
Inventors:
Samuel W. Tse, Almar T. Widiger, Keith D. Lind
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: May 16, 1985
Inventors
Samuel W. Tse
Almar T. Widiger
Keith D. Lind
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.