Granted Patent
Utility
US 4,248,616 · App. 06/095,871
Pollution abating, energy conserving glass manufacturing apparatus
Inventors:
Stephen Seng, Richard K. Henry, Mark A. Propster, Charles M. Hohman
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Nov 19, 1979
Inventors
Stephen Seng
Richard K. Henry
Mark A. Propster
Charles M. Hohman
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.