Granted Patent
Utility
US 5,987,341 · App. 08/859,612
High-purity polycrystalline alumina cryogenic dielectric
Inventors:
James D. Hodge, Stephen K. Remillard
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: May 20, 1997
Inventors
James D. Hodge
Stephen K. Remillard
Assignee (at issue)
Illinois Superconductor Corporation, 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.