Granted Patent
Utility
US 6,217,649 · App. 09/483,045
Continuous melt replenishment for crystal growth
Inventors:
Richard Wallace, Emanuel M. Sachs, Jennifer Martz
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Jan 13, 2000
Inventors
Richard Wallace
Emanuel M. Sachs
Jennifer Martz
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.