Granted Patent
Utility
US 5,337,209 · App. 07/943,357
High energy density lead magnesium niobate-based dielectric ceramic and process for the preparation thereof
Inventors:
Audrey E. Sutherland, Keith Bridger, Eric M. Fiore, Julie A. Christodoulou, Alex E. Bailey, Allan S. Gelb
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Sep 10, 1992
Inventors
Audrey E. Sutherland
Keith Bridger
Eric M. Fiore
Julie A. Christodoulou
Alex E. Bailey
Allan S. Gelb
Assignee (at issue)
LOCKHEED MARTIN CORPORATION
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.