Granted Patent
Utility
US 5,986,369 · App. 08/914,519
Actuator having piezoelectric braking element
Inventors:
Mark Hanley, Guy P. Caliendo, Dean B. Anderson
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Aug 19, 1997
Inventors
Mark Hanley
Guy P. Caliendo
Dean B. Anderson
Assignee (at issue)
SIEMENS BUILDING TECHNOLOGIES AG
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.