Granted Patent
Utility
US 6,159,282 · App. 09/242,829
Method of pulling a single crystal
Inventor:
Hideki Fujiwara
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Dec 9, 1999
Inventor
Hideki Fujiwara
Assignee (at issue)
SUMITOMO METAL INDUSTRIES, LTD.
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.