Granted Patent
Utility
US 6,814,802 · App. 10/284,067
Method and apparatus for growing multiple crystalline ribbons from a single crucible
Inventor:
Richard Wallace
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Oct 30, 2002
Inventor
Richard Wallace
Assignee (at issue)
Evergreen Solar, 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.