Granted Patent
Utility
US 4,663,828 · App. 06/786,782
Process and apparatus for continuous production of lightweight arrays of photovoltaic cells
Inventor:
Joseph J. Hanak
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Oct 11, 1985
Inventor
Joseph J. Hanak
Assignee (at issue)
Energy Conversion Devices, 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.