Granted Patent
Utility
US 5,581,372 · App. 08/066,035
Method for generating and storing digitized density thresholds for rastering a half tone original image
Inventor:
Ludo Kerz
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: May 16, 1994
Inventor
Ludo Kerz
Assignee (at issue)
Linotype-Hell AG
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.