Granted Patent
Utility
US 6,835,247 · App. 10/040,240
Rod replenishment system for use in single crystal silicon production
Inventors:
Henry Wood, John Hill, Jay C. Nelson, William Juhasz, Howard J. Dawson
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Oct 26, 2001
Inventors
Henry Wood
John Hill
Jay C. Nelson
William Juhasz
Howard J. Dawson
Assignee (at issue)
Advanced Silicon Materials LLC
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.