IP Library › Granted Patent US 4,762,811
Granted Patent Utility
US 4,762,811 · App. 07/006,510

Castable refractory

Inventors: John T. Vayda, George H. Criss
Patented Case View Patent ↗
Granted: Aug 9, 1988 Filed: Jan 21, 1987
Inventors
John T. Vayda
George H. Criss
Assignee (at issue)
Dresser Industries, Inc.

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Quick Facts
Patent No.
US 4,762,811
App. No.
07/006,510
Filed
1987-01-21
Granted
1988-08-09
Kind
A