Granted Patent
Utility
US 5,406,249 · App. 08/028,487
Method and structure for coupling power-line carrier current signals using common-mode coupling
Inventor:
Michael Gregory Pettus
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Mar 9, 1993
Inventor
Michael Gregory Pettus
Assignee (at issue)
Metricom, Inc.
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.