Granted Patent
Utility
US 4,249,967 · App. 06/106,632
Method of manufacturing a light-emitting diode by liquid phase epitaxy
Inventors:
Yet-Zen Liu, Shang-Yi Chiang
Patented Case
View Patent ↗
Granted: Feb 10, 1981
Filed: Dec 26, 1979
Inventors
Yet-Zen Liu
Shang-Yi Chiang
Assignee (at issue)
International Telephone and Telegraph 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.