Granted Patent
Utility
US 4,884,385 · App. 07/021,919
Interleaved spiral wrapping of foam product and stretch film for packaging carbonless paper rolls
Inventors:
Roger J. Mushinski, Charles E. Lewis, Lawrence J. Casey
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Mar 4, 1987
Inventors
Roger J. Mushinski
Charles E. Lewis
Lawrence J. Casey
Assignee (at issue)
Appleton Papers Inc.
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.