Granted Patent
Utility
US 4,931,133 · App. 07/287,824
High temperature solution growth of barium borate (.beta.-BaB.sub.2 O.sub.4 )
Inventors:
Devlin M. Gualtieri, Bruce H. T. Chai
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Dec 21, 1988
Inventors
Devlin M. Gualtieri
Bruce H. T. Chai
Assignee (at issue)
AlliedSignal, 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.