Granted Patent
Utility
US 5,220,432 · App. 07/694,215
Methods and apparatus for half-tone imaging utilizing a rotated half-tone dot map
Inventors:
Malcolm D. M. Roe, Michael Slone-Murphy
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Apr 12, 1991
Inventors
Malcolm D. M. Roe
Michael Slone-Murphy
Assignee (at issue)
Crosfield Electronics Limited
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.