Granted Patent
Utility
US 5,558,477 · App. 08/348,527
Vibration damping system using active negative capacitance shunt circuit with piezoelectric reaction mass actuator
Inventors:
Douglas R. Browning, Woodson Dale Wynn
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Dec 2, 1994
Inventors
Douglas R. Browning
Woodson Dale Wynn
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.