Granted Patent
Utility
US 6,703,765 · App. 10/267,399
Devices using a ceramic piezoelectric
Inventors:
Sang-Wook Cheong, Tae-Yeong Koo
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Oct 9, 2002
Inventors
Sang-Wook Cheong
Tae-Yeong Koo
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.