Granted Patent
Utility
US 5,364,461 · App. 08/142,037
Inks used in multi-color printing
Inventors:
Bradley Beach, Kathryn E. Burns, Terence E. Franey, Ann M. Piekunka, Paul Timothy Spivey, Agnes Kam Zimmer
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Oct 28, 1993
Inventors
Bradley Beach
Kathryn E. Burns
Terence E. Franey
Ann M. Piekunka
Paul Timothy Spivey
Agnes Kam Zimmer
Assignee (at issue)
Lexmark International, 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.