Granted Patent
Utility
US 5,582,642 · App. 08/492,666
Apparatus and method for adjusting the position of a pull wire of a crystal pulling machine
Inventors:
Harold W. Korb, Dick S. Williams, Richard G. Schrenker, Verlin A. Lauher
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Jun 20, 1995
Inventors
Harold W. Korb
Dick S. Williams
Richard G. Schrenker
Verlin A. Lauher
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.