Granted Patent
Utility
US 5,358,765 · App. 08/015,751
Cellulosic article containing an olefinic oxide polymer and method of manufacture
Inventor:
John Markulin
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Oct 25, 1994
Inventor
John Markulin
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.