Granted Patent
Utility
US 5,621,022 · App. 08/381,610
Use of polymeric dyes in hot melt ink jet inks
Inventors:
C. Wayne Jaeger, Loc V. Bui, Donald R. Titterington, Clifford R. King
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jan 30, 1995
Inventors
C. Wayne Jaeger
Loc V. Bui
Donald R. Titterington
Clifford R. King
Assignee (at issue)
Tektronix, Inc.
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.