IP Library › Granted Patent US 5,086,020
Granted Patent Utility
US 5,086,020 · App. 07/617,178

High zirconia fused cast refractory

Inventors: Toshihiro Ishino, Kouzou Sakai, Nobuyuki Kido
Patented Case View Patent ↗
Granted: Feb 4, 1992 Filed: Nov 23, 1990
Inventors
Toshihiro Ishino
Kouzou Sakai
Nobuyuki Kido
Assignee (at issue)
ASAHI GLASS CO., LTD.

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Quick Facts
Patent No.
US 5,086,020
App. No.
07/617,178
Filed
1990-11-23
Granted
1992-02-04
Kind
A