Granted Patent
Utility
US 4,315,477 · App. 06/214,548
Semi-open liquid phase epitaxial growth system
Inventors:
Cheng-Chi Wang, August H. B. Vanderwyck
Patented Case
View Patent ↗
Granted: Feb 16, 1982
Filed: Dec 9, 1980
Inventors
Cheng-Chi Wang
August H. B. Vanderwyck
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.