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Quentin K. Robinson
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Allegheny County, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pour tube with improved flow characteristics
Patent number
6,425,505
Issue date
Jul 30, 2002
Vesuvius Crucible Company
Lawrence John Heaslip
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Erosion and abrasion resistant refractory composition and article m...
Patent number
5,954,989
Issue date
Sep 21, 1999
Vesuvius Crucible Company
Roger W. Brook
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method and compositions for making refractory shapes having dense,...
Patent number
5,681,499
Issue date
Oct 28, 1997
Vesuvius Crucible Company
Paul M. Benson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Erosion, thermal shock and oxidation resistant refractory compositions
Patent number
5,185,300
Issue date
Feb 9, 1993
Vesuvius Crucible Company
Dale B. Hoggard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Prevention of erosion and alumina build-up in casting elements
Patent number
5,151,201
Issue date
Sep 29, 1992
Vesuvius Crucible Company
Mark K. Fishler
B22 - CASTING POWDER METALLURGY