Granted Patent
Utility
US 4,429,299 · App. 06/228,608
Two-way AC power line communications system
Inventors:
Jules M. Kabat, James H. Beggs
Patented Case
View Patent ↗
Granted: Jan 31, 1984
Filed: Jan 26, 1981
Inventors
Jules M. Kabat
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.