Granted Patent
Utility
US 5,258,849 · App. 07/894,857
Halftone dot arrangement in gray level halftone printing
Inventors:
Hwai-Tzuu Tai, Yee S. Ng
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Jun 5, 1992
Inventors
Hwai-Tzuu Tai
Yee S. Ng
Assignee (at issue)
EASTMAN KODAK 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.