Granted Patent
Utility
US 4,382,840 · App. 06/230,075
Hydrothermal crystal growing process and apparatus
Inventors:
Bruce H. T. Chai, Ernest Buehler, John J. Flynn
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Jan 30, 1981
Inventors
Bruce H. T. Chai
Ernest Buehler
John J. Flynn
Assignee (at issue)
ALLIED CONSULTING, 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.