Granted Patent
Utility
US 5,457,772 · App. 07/960,761
Method to convert bitmaps to monochrome data
Inventor:
Terrence M. Shannon
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Oct 13, 1992
Inventor
Terrence M. Shannon
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.