Granted Patent
Utility
US 6,420,196 · App. 09/425,194
Method of forming an inkjet printhead using part of active circuitry layers to form sacrificial structures
Inventor:
Kia Silverbrook
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Oct 19, 1999
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.