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William Y. Whitmore
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Hellam Township, York County, PA, US
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last 30 patents
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Patent Grant
Release carrier with spherulite formations
Patent number
5,153,047
Issue date
Oct 6, 1992
Armstrong World Industries, Inc.
Joseph L. Mackey
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Surface covering with inverse spherulite patterns
Patent number
5,080,954
Issue date
Jan 14, 1992
Armstrong World Industries, Inc.
Joseph L. Mackey
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Conformable tile
Patent number
4,595,626
Issue date
Jun 17, 1986
Armstrong World Industries, Inc.
Mary A. Brubaker
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES