Granted Patent
Utility
US 5,114,012 · App. 07/601,237
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: May 19, 1992
Filed: Oct 22, 1990
Inventors
Roger J. Mushinski
Charles E. Lewis
Lawrence J. Casey
Assignee (at issue)
WTA 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.