Granted Patent
Utility
US 4,970,060 · App. 07/470,333
Pure or mixed monocrystalline boules of lanthanum orthogallate
Inventors:
Roger F. Belt, Robert Uhrin
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Jan 25, 1990
Inventors
Roger F. Belt
Robert Uhrin
Assignee (at issue)
Litton Systems, 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.