Granted Patent
Utility
US 6,462,463 · App. 09/869,186
Actuator with piezoelectric controlled piston
Inventor:
Jean-Thierry Audren
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jan 18, 2002
Inventor
Jean-Thierry Audren
Assignee (at issue)
Sagem SA
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.