Granted Patent
Utility
US 5,250,348 · App. 07/964,726
Improved wrapper paper for use in very low contact pressure applications
Inventor:
Gary H. Knauf
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Oct 22, 1992
Inventor
Gary H. Knauf
Assignee (at issue)
INTERNATIONAL PAPER 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.