Granted Patent
Utility
US 4,828,685 · App. 07/066,076
Method and apparatus for the enhancement of superconductive materials
Inventor:
Richard B. Stephens
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Jun 24, 1987
Inventor
Richard B. Stephens
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.