Granted Patent
Utility
US 6,429,957 · App. 09/534,530
Double-pass sagittally offset pre-polygon optics for raster output scanners
Inventors:
Susan E. Dunn, James J. Appel, John A. Durbin
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Mar 27, 2000
Inventors
Susan E. Dunn
James J. Appel
John A. Durbin
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.