Granted Patent
Utility
US 4,828,648 · App. 07/157,557
Liquid phase epitaxy apparatus and method
Inventors:
Theodore J. La Chapelle, Jr., Thomas P. Weismuller
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Feb 19, 1988
Inventors
Theodore J. La Chapelle, Jr.
Thomas P. Weismuller
Assignee (at issue)
Rockwell International 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.