Granted Patent
Utility
US 6,641,256 · App. 10/394,239
Printhead chip that incorporates rectilinear ink ejection components
Inventor:
Kia Silverbrook
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Mar 24, 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.