Granted Patent
Utility
US 5,982,276 · App. 09/074,107
Magnetic field based power transmission line communication method and system
Inventor:
William Stewart
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: May 7, 1998
Inventor
William Stewart
Assignee (at issue)
Media Fusion Co., Ltd.
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.