Granted Patent
Utility
US 5,597,587 · App. 08/412,677
Apparatus for the manufacture of cellulose food casing
Inventors:
Myron D. Nicholson, Edward Makoto Kajiwara, Paul Edmund DuCharme, Jr., Merlan E. McAllister, Joseph R. Walta
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Mar 29, 1995
Inventors
Myron D. Nicholson
Edward Makoto Kajiwara
Paul Edmund DuCharme, Jr.
Merlan E. McAllister
Joseph R. Walta
Assignee (at issue)
Viskase Companies, 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.