Granted Patent
Utility
US 5,746,839 · App. 08/629,052
Lightweight, self-ballasting photovoltaic roofing assembly
Inventor:
Thomas L. Dinwoodie
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Apr 8, 1996
Inventor
Thomas L. Dinwoodie
Assignee (at issue)
PowerLight 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.