Granted Patent
Utility
US 6,707,572 · App. 09/135,735
Filtering method to reduce pixel density
Inventors:
James Robert Walker, Alfonso J. Marmora, Jr., Robert D. Cheek
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Aug 18, 1998
Inventors
James Robert Walker
Alfonso J. Marmora, Jr.
Robert D. Cheek
Assignee (at issue)
Tesseron Ltd.
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.