Granted Patent
Utility
US 6,647,220 · App. 10/042,003
System and method for conditioning a toner before development
Inventors:
Fong-Jen J. Wang, Gerald A. Domoto, Edward B. Caruthers, Jr., R. Enrique Viturro
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Oct 19, 2001
Inventors
Fong-Jen J. Wang
Gerald A. Domoto
Edward B. Caruthers, Jr.
R. Enrique Viturro
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.