Granted Patent
Utility
US 6,742,873 · App. 09/835,702
Inkjet printhead construction
Inventor:
Kia Silverbrook
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Apr 16, 2001
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.