Granted Patent
Utility
US 6,412,924 · App. 09/006,410
Ceramic piezoelectric ink jet print heads
Inventors:
James Ashe, Christopher David Phillips, Stuart Speakman
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Jan 13, 1998
Inventors
James Ashe
Christopher David Phillips
Stuart Speakman
Assignee (at issue)
XAAR TECHNOLOGY LIMITED
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.