Granted Patent
Utility
US 6,738,524 · App. 09/738,477
Halftone detection in the wavelet domain
Inventor:
Ricardo L. de Queiroz
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Dec 15, 2000
Inventor
Ricardo L. de Queiroz
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.