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Horace B. McWhirter II
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Selma, AL, US
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last 30 patents
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Patent Grant
Thermally broken frame with separation prevention
Patent number
4,423,578
Issue date
Jan 3, 1984
Disco Aluminum Products Co., Inc.
William Meigs
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS