Granted Patent
Utility
US 5,548,689 · App. 08/238,277
Method to convert bitmaps to monochrome data
Inventors:
Burton H. Poppenga, Terrence M. Shannon, Russell Campbell
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: May 3, 1994
Inventors
Burton H. Poppenga
Terrence M. Shannon
Russell Campbell
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.