Granted Patent
Utility
US 4,825,561 · App. 06/614,359
Curing oven apparatus
Inventor:
Donald E. Cornell
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: May 29, 1984
Inventor
Donald E. Cornell
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.