Granted Patent
Utility
US 6,336,721 · App. 09/331,962
Multicolor ink jet printing method
Inventors:
John Reginald Provost, Peter Gregory
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Aug 27, 1999
Inventors
John Reginald Provost
Peter Gregory
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.