Granted Patent
Utility
US 6,559,372 · App. 09/957,121
Photovoltaic devices and compositions for use therein
Inventor:
Billy J. Stanbery
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Sep 20, 2001
Inventor
Billy J. Stanbery
Assignee (at issue)
HelioVolt Corporation
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.