Granted Patent
Utility
US 4,289,069 · App. 06/031,076
Method for producing a multiple color hard copy image
Inventors:
Raymond F. Melissa, Lorne H. Grummett, Joseph J. Fischer
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: Apr 18, 1979
Inventors
Raymond F. Melissa
Lorne H. Grummett
Joseph J. Fischer
Assignee (at issue)
Trilog, Inc.
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.