Granted Patent
Utility
US 6,190,820 · App. 09/657,273
Toner processes
Inventors:
Raj D. Patel, Michael A. Hopper, Walter Mychajlowskij
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Sep 7, 2000
Inventors
Raj D. Patel
Michael A. Hopper
Walter Mychajlowskij
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.