Granted Patent
Utility
US 5,876,491 · App. 08/945,577
Ink jet printing ink
Inventors:
Janet Gunn, Mark Holbrook, Aidan Joseph Lavery
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Oct 29, 1997
Inventors
Janet Gunn
Mark Holbrook
Aidan Joseph Lavery
Assignee (at issue)
Zeneca Limited
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.