Granted Patent
Utility
US 5,200,285 · App. 07/496,442
System and method for forming multiply toned images
Inventor:
Jeffrey J. Carrish
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Mar 20, 1990
Inventor
Jeffrey J. Carrish
Assignee (at issue)
Delphax Systems
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.