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Orville Hunter Jr.
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Columbia, MO, US
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last 30 patents
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Patent Grant
Low silica ceramic fiber
Patent number
5,063,180
Issue date
Nov 5, 1991
A. P. Green Industries, Inc.
Robert B. Stevens
C03 - GLASS MINERAL OR SLAG WOOL
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Patent Grant
Coking tar impregnated refractory products
Patent number
5,011,802
Issue date
Apr 30, 1991
A. P. Green Industries, Inc.
Orville Hunter
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES