Granted Patent
Utility
US 4,886,554 · App. 07/250,588
Solar roofing assembly
Inventors:
William J. Woodring, Charles J. Horner, Jr.
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Sep 29, 1988
Inventors
William J. Woodring
Charles J. Horner, Jr.
Assignee (at issue)
GAF 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.