Granted Patent
Utility
US 4,528,609 · App. 06/410,499
Method and apparatus for protecting superconducting magnetic energy storage systems during rapid energy dissipation
Inventor:
John R. Purcell
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Aug 23, 1982
Inventor
John R. Purcell
Assignee (at issue)
GA Technologies, 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.