Granted Patent
Utility
US 6,776,478 · App. 10/465,405
Ink source regulator for an inkjet printer
Inventors:
James D. Anderson, Jr., James Paul Drummond, John R. Fowler, Trevor Gray, Timothy L. Howard, Matthew Russell
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Jun 18, 2003
Inventors
James D. Anderson, Jr.
James Paul Drummond
John R. Fowler
Trevor Gray
Timothy L. Howard
Matthew Russell
Assignee (at issue)
Lexmark International, Inc.
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.