Granted Patent
Utility
US 6,780,229 · App. 10/203,207
Inks
Inventors:
Alan Hopper, William Albert Fern
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Aug 7, 2002
Inventors
Alan Hopper
William Albert Fern
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.