Granted Patent
Utility
US 4,412,502 · App. 06/467,402
Apparatus for the elimination of edge growth in liquid phase epitaxy
Inventor:
Suei-Yuen P. Lien
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Feb 17, 1983
Inventor
Suei-Yuen P. Lien
Assignee (at issue)
Western Electric Company, 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.