Granted Patent
Utility
US 5,258,850 · App. 07/895,988
Line screen design for gray scale rendering
Inventor:
Hwai-Tzuu Tai
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Jun 5, 1992
Inventor
Hwai-Tzuu Tai
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.