Granted Patent
Utility
US 6,057,399 · App. 09/148,726
Isocyanate-derived phase change ink additive for improved electronic level sensing reliability and type encoding
Inventors:
Clifford R. King, C. Wayne Jaeger, Donald R. Titterington
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Sep 4, 1998
Inventors
Clifford R. King
C. Wayne Jaeger
Donald R. Titterington
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.