Granted Patent
Utility
US 4,302,284 · App. 06/007,503
Helical field stabilization of plasma devices
Inventor:
Tihiro Ohkawa
Patented Case
View Patent ↗
Granted: Nov 24, 1981
Filed: Jan 29, 1979
Inventor
Tihiro Ohkawa
Assignee (at issue)
General Atomics
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.