Granted Patent
Utility
US 5,369,497 · App. 07/955,360
Apparatus and method for modulating the area of pixels for tone reproduction
Inventors:
Janet Allen, Guillermo S. Ferla
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Oct 1, 1992
Inventors
Janet Allen
Guillermo S. Ferla
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.