Granted Patent
Utility
US 4,778,639 · App. 07/145,083
Method of manufacturing a caramel-containing cellulosic article
Inventors:
Shiu-Chung Jon, Myron D. Nicholson
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Jan 19, 1988
Inventors
Shiu-Chung Jon
Myron D. Nicholson
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.