Granted Patent
Utility
US 6,319,309 · App. 09/402,270
Ink additives
Inventors:
Aidan Joseph Lavery, Janette Watkinson, Mark Robert James
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Dec 23, 1999
Inventors
Aidan Joseph Lavery
Janette Watkinson
Mark Robert James
Assignee (at issue)
Avecia 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.