Granted Patent
Utility
US 4,971,860 · App. 07/315,646
Polyester sheet materials and molded articles and methods for the manufacture thereof
Inventors:
David E. Mills, Harry R. Musser, Burns Davis
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Feb 27, 1989
Inventors
David E. Mills
Harry R. Musser
Burns Davis
Assignee (at issue)
EASTMAN KODAK 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.