Granted Patent
Utility
US 5,025,322 · App. 07/453,421
Method and apparatus for grey level recording using multiple addressability
Inventor:
Yee S. Ng
Patented Case
View Patent ↗
Granted: Jun 18, 1991
Filed: Dec 18, 1989
Inventor
Yee S. Ng
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.