Granted Patent
Utility
US 5,867,599 · App. 08/584,614
Screenings of continuous tone images utilizing physical interactions of adjacent pixels
Inventors:
A. John Michaelis, J. Thomas Shively
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jan 11, 1996
Inventors
A. John Michaelis
J. Thomas Shively
Assignee (at issue)
R.R. DONNELLEY & SONS 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.