Granted Patent
Utility
US 4,626,447 · App. 06/713,354
Plasma confining apparatus
Inventors:
Joachim Doehler, Masatsugu Izu
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Mar 18, 1985
Inventors
Joachim Doehler
Masatsugu Izu
Assignee (at issue)
Energy Conversion Devices, 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.