Granted Patent
Utility
US 6,565,796 · App. 09/971,245
Method and apparatus for use in manufacture of cellulose casing
Inventors:
Owen J. McGarel, Mickel Ernst Knight, Charles Joseph Mackus
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Oct 4, 2001
Inventors
Owen J. McGarel
Mickel Ernst Knight
Charles Joseph Mackus
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.