Granted Patent
Utility
US 4,263,097 · App. 05/771,114
Method and apparatus for driving a continuous current in a toroidal plasma
Inventor:
Tihiro Ohkawa
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Feb 23, 1977
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.