Granted Patent
Utility
US 6,001,473 · App. 09/309,237
Starch ester release coatings
Inventors:
Jeffrey Atkinson, Robert L. Billmers, Susan W. Graham, Charles J. Gzemski
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: May 10, 1999
Inventors
Jeffrey Atkinson
Robert L. Billmers
Susan W. Graham
Charles J. Gzemski
Assignee (at issue)
National Starch and Chemical Investment Holding Copporation
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.