Granted Patent
Utility
US 5,076,901 · App. 07/438,454
Method of manufacturing perovskite lead scandium tantalate
Inventors:
Roger W. Whatmore, Martin T. Goosey, Laurence Considine, Anil Patel
Patented Case
View Patent ↗
Granted: Dec 31, 1991
Filed: Jan 18, 1990
Inventors
Roger W. Whatmore
Martin T. Goosey
Laurence Considine
Anil Patel
Assignee (at issue)
GEC-Marconi Ltd.
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.