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James B. Hall
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Chester Springs, PA, US
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last 30 patents
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Patent Grant
Method of making container with easy open top
Patent number
4,071,182
Issue date
Jan 31, 1978
Christiana Metals Corporation
Thomas A. Walraven
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Container with easy open top
Patent number
4,036,397
Issue date
Jul 19, 1977
Christiana Metals Corporation
Thomas A. Walraven
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR