Granted Patent
Utility
US 5,089,308 · App. 07/458,485
Coextruded film and methods comprising vinylidene chloride methyl acrylate copolymer
Inventors:
Mark E. Nordness, Frank T. Bauer, Robert J. Blemberg, John P. Eckstein, David M. Banik, Grant A. Gustafson
Patented Case
View Patent ↗
Granted: Feb 18, 1992
Filed: Dec 28, 1989
Inventors
Mark E. Nordness
Frank T. Bauer
Robert J. Blemberg
John P. Eckstein
David M. Banik
Grant A. Gustafson
Assignee (at issue)
American National Can Company
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.