Granted Patent
Utility
US 4,228,545 · App. 06/030,977
Receiver device having a function for suppressing transient noises during abrupt interruptions
Inventor:
Hideyo Murakami
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: Apr 18, 1979
Inventor
Hideyo Murakami
Assignee (at issue)
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.