Granted Patent
Utility
US 4,853,017 · App. 07/292,592
Method and apparatus for the environmental control of fiber forming environment
Inventors:
Douglas J. Eberle, Scott R. Northrup
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Dec 30, 1988
Inventors
Douglas J. Eberle
Scott R. Northrup
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.