Granted Patent
Utility
US 4,603,160 · App. 06/750,202
Acrylic castings and process for the preparation thereof
Inventor:
Donald R. Leonard
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Jul 1, 1985
Inventor
Donald R. Leonard
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.