IP Library › Granted Patent US 4,422,847
Granted Patent Utility
US 4,422,847 · App. 06/335,006

Preheating glass batch

Inventors: Mark A. Propster, Charles M. Hohman, Stephen Seng
Patented Case View Patent ↗
Granted: Dec 27, 1983 Filed: Dec 28, 1981
Inventors
Mark A. Propster
Charles M. Hohman
Stephen Seng
Assignee (at issue)
Owens-Corning Fiberglas Corp.

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Quick Facts
Patent No.
US 4,422,847
App. No.
06/335,006
Filed
1981-12-28
Granted
1983-12-27
Kind
A