Granted Patent
Utility
US 4,525,868 · App. 06/478,119
Interference wave detection circuit for use in radio receiver
Inventors:
Kouzou Kage, Hiroshi Watanabe
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Mar 23, 1983
Inventors
Kouzou Kage
Hiroshi Watanabe
Assignees (at issue)
NIPPON ELECTRIC CO., LTD.
Nippon Telegraph and Telephone Public Corporation
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.