Granted Patent
Utility
US 6,572,691 · App. 10/229,723
Ink compositions and methods of use therefor
Inventors:
David W. Brown, Kenneth Breindel, Ronald W. Broadbent, Michael S. Wiggins
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Aug 28, 2002
Inventors
David W. Brown
Kenneth Breindel
Ronald W. Broadbent
Michael S. Wiggins
Assignee (at issue)
Cognis 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.