Granted Patent
Utility
US 6,171,391 · App. 09/172,546
Method and system for controlling growth of a silicon crystal
Inventors:
Robert H. Fuerhoff, Mohsen Banan
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Oct 14, 1998
Inventors
Robert H. Fuerhoff
Mohsen Banan
Assignee (at issue)
MEMC Electronic Materials, 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.