Granted Patent
Utility
US 6,096,258 · App. 09/009,505
Method and apparatus for forming a cellulose article including solvent recovery means
Inventors:
Paul Edmund DuCharme, Jr., Edward Makoto Kajiwara, Norman A. Portnoy
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Jan 20, 1998
Inventors
Paul Edmund DuCharme, Jr.
Edward Makoto Kajiwara
Norman A. Portnoy
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.