Granted Patent
Utility
US 6,464,340 · App. 09/798,751
Ink jet printing apparatus with balanced thermal actuator
Inventor:
Kia Silverbrook
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Mar 2, 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.