Granted Patent
Utility
US 5,690,777 · App. 08/398,035
Seamed cellulosic materials using organometallic solvents
Inventors:
David F. Kuethe, Vernon D. Karman, Norman C. Abler
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Mar 3, 1995
Inventors
David F. Kuethe
Vernon D. Karman
Norman C. Abler
Assignee (at issue)
KRAFT FOODS HOLDINGS, 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.