Granted Patent
Utility
US 6,444,161 · App. 09/574,209
Mandrel structure for use in manufacture of cellulose food casing
Inventors:
Mark G Williams, Larry Clyde Long, Owen Joseph Mc Garel, Ronald Joseph Jerantowski, James Joseph Albert
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: May 19, 2000
Inventors
Mark G Williams
Larry Clyde Long
Owen Joseph Mc Garel
Ronald Joseph Jerantowski
James Joseph Albert
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.