Granted Patent
Utility
US 5,690,787 · App. 08/622,498
Polymer reinforced paper having improved cross-direction tear
Inventors:
David P. Hultman, Donald D. Watson, Edward Walter Heribacka
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Mar 25, 1996
Inventors
David P. Hultman
Donald D. Watson
Edward Walter Heribacka
Assignee (at issue)
Kimberly-Clark Worldwide, 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.