Granted Patent
Utility
US 4,877,684 · App. 07/088,344
Nylon carrier for polymer concentrate, and films and packages made with the concentrate
Inventors:
Mary E. Shepard, Deane E. Galloway, Keith D. Lind
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Aug 24, 1987
Inventors
Mary E. Shepard
Deane E. Galloway
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.