Granted Patent
Utility
US 4,912,562 · App. 07/319,125
Method of and means for printing a multilevel representation of an image
Inventors:
Paul Fenster, Yoav Ben-Dror
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Mar 6, 1989
Inventors
Paul Fenster
Yoav Ben-Dror
Assignee (at issue)
Spectrum Sciences B.V.
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.