Granted Patent
Utility
US 6,447,602 · App. 09/674,775
Crystal growth apparatus and method
Inventor:
John A Beswick
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Nov 6, 2000
Inventor
John A Beswick
Assignee (at issue)
QINETIQ LIMITED
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.