Granted Patent
Utility
US 6,760,127 · App. 09/585,843
Multi-level semi-vector error diffusion
Inventors:
Helen HaeKyung Shin, Zhigang Fan
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Jun 1, 2000
Inventors
Helen HaeKyung Shin
Zhigang Fan
Assignee (at issue)
Xerox Corporation
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.