Granted Patent
Utility
US 6,808,253 · App. 10/642,234
Operating a page width ink jet printhead
Inventor:
Kia Silverbrook
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Aug 18, 2003
Inventor
Kia Silverbrook
Assignee (at issue)
Silverbrook Research Pty Ltd
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.