Granted Patent
Utility
US 6,180,691 · App. 09/365,386
Processes for preparing ink jet inks
Inventors:
Chieh-Min Cheng, Garland J. Nichols, Min-Hong Fu
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Aug 2, 1999
Inventors
Chieh-Min Cheng
Garland J. Nichols
Min-Hong Fu
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.