Granted Patent
Utility
US 5,227,669 · App. 07/735,132
Superconducting non-linear device
Inventor:
Leon Riebman
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Jul 24, 1991
Inventor
Leon Riebman
Assignee (at issue)
American Electronic Laboratories, 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.