Granted Patent
Utility
US 6,373,350 · App. 09/451,704
Branching filter with saw-resonator transmitting and receiving filters in separate packages and receiving-branch lines in both packages
Inventor:
Yoshiaki Fujita
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Dec 1, 1999
Inventor
Yoshiaki Fujita
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.