Granted Patent
Utility
US 5,486,799 · App. 08/326,368
Strip line filter and duplexer filter using the same
Inventors:
Tomokazu Komazaki, Katsuhiko Gunji, Kazushige Noguchi, Kunihiro Tanoie
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Oct 20, 1994
Inventors
Tomokazu Komazaki
Katsuhiko Gunji
Kazushige Noguchi
Kunihiro Tanoie
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.