Granted Patent
Utility
US 6,809,253 · App. 10/384,513
Pressure-equalizing PV assembly and method
Inventor:
Thomas L. Dinwoodie
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Mar 7, 2003
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.