Granted Patent
Utility
US 6,256,468 · App. 09/525,344
Toner cake delivery system having a carrier fluid separation surface
Inventor:
Chu-heng Liu
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Mar 13, 2000
Inventor
Chu-heng Liu
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.