Granted Patent
Utility
US 4,349,376 · App. 06/271,459
Liquid cooled skimmer
Inventors:
Charles S. Dunn, Charles M. Hohman
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: Jun 8, 1981
Inventors
Charles S. Dunn
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.