Granted Patent
Utility
US 5,665,159 · App. 08/620,137
System for controlling growth of a silicon crystal
Inventor:
Robert H. Fuerhoff
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Mar 21, 1996
Inventor
Robert H. Fuerhoff
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.