Granted Patent
Utility
US 4,640,065 · App. 06/785,192
Structural member
Inventors:
Ronald R. Harris, Russell L. Ault
Patented Case
View Patent ↗
Granted: Feb 3, 1987
Filed: Oct 7, 1985
Inventors
Ronald R. Harris
Russell L. Ault
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.