Granted Patent
Utility
US 4,344,066 · App. 06/201,159
Noise trap arrangement for AC power line communication systems
Inventor:
James H. Beggs
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Oct 27, 1980
Inventor
James H. Beggs
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.