Granted Patent
Utility
US 6,582,059 · App. 10/120,346
Discrete air and nozzle chambers in a printhead chip for an inkjet printhead
Inventor:
Kia Silverbrook
Patented Case
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Granted: Jun 24, 2003
Filed: Apr 12, 2002
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.