IP Library › Granted Patent US 4,659,356
Granted Patent Utility
US 4,659,356 · App. 06/797,085

Kiln construction

Inventors: Robert A. Lawhon, James L. Karraker
Patented Case View Patent ↗
Granted: Apr 21, 1987 Filed: Nov 12, 1985
Inventors
Robert A. Lawhon
James L. Karraker
Assignee (at issue)
PPG Industries, Inc.

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Quick Facts
Patent No.
US 4,659,356
App. No.
06/797,085
Filed
1985-11-12
Granted
1987-04-21
Kind
A