Granted Patent
Utility
US 5,963,113 · App. 09/030,284
Saw ladder filter with inter-stage matching saw resonator
Inventors:
Hok Huor Ou, Naoto Inose
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Feb 25, 1998
Inventors
Hok Huor Ou
Naoto Inose
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.