Granted Patent
Utility
US 6,586,271 · App. 09/780,298
Methods for improving polymeric materials for use in solar cell applications
Inventor:
Jack I. Hanoka
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Feb 9, 2001
Inventor
Jack I. Hanoka
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.