Granted Patent
Utility
US 6,700,309 · App. 10/053,439
Miniature electrical relays using a piezoelectric thin film as an actuating element
Inventors:
David Dausch, Gary Elder McGuire
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Jan 16, 2002
Inventors
David Dausch
Gary Elder McGuire
Assignee (at issue)
MCNC
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.