Granted Patent
Utility
US 4,646,680 · App. 06/812,461
Crucible for use in molecular beam epitaxial processing
Inventor:
Paul Maki
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Dec 23, 1985
Inventor
Paul Maki
Assignee (at issue)
General Electric Company
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.