Granted Patent
Utility
US 4,990,490 · App. 07/202,964
Electrical superconducting ceramic fiber devices
Inventors:
Viren M. Pathare, John W. Halloran
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Jun 3, 1988
Inventors
Viren M. Pathare
John W. Halloran
Assignee (at issue)
CPS Superconductor Corp.
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.