Granted Patent
Utility
US 6,798,929 · App. 10/234,665
Piezoelectric tunable filter
Inventors:
Ga-Lane Chen, Charles Leu, Shu-Lin Tai
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Sep 3, 2002
Inventors
Ga-Lane Chen
Charles Leu
Shu-Lin Tai
Assignee (at issue)
Hon Hai Precision Ind. Co., Ltd.
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.