IP Library Granted Patent US 6,606,420
Granted Patent Utility
US 6,606,420 · App. 09/425,951

Method and apparatus for digital image darkness control in saturated image structures

Inventors: Robert P. Loce, Clara Cuciurean-Zapan, Yeqing Zhang
Patented Case View Patent ↗
Granted: Aug 12, 2003 Filed: Oct 25, 1999
Inventors
Robert P. Loce
Clara Cuciurean-Zapan
Yeqing Zhang
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,606,420
App. No.
09/425,951
Filed
1999-10-25
Granted
2003-08-12
Kind
B1