Granted Patent
Utility
US 5,766,540 · App. 08/827,130
Cellulose food casing manufacturing method
Inventors:
Edward Makoto Kajiwara, Joseph R. Walta, Ronald Joseph Jerantowski
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Mar 27, 1997
Inventors
Edward Makoto Kajiwara
Joseph R. Walta
Ronald Joseph Jerantowski
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.