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3236702
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Patent number 3,236,702
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Issue date Feb 22, 1966
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C06 - EXPLOSIVES MATCHES
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3062809
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Patent number 3,062,809
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Issue date Nov 6, 1962
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2446541
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Patent number 2,446,541
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Issue date Aug 10, 1948
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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1866965
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Patent number 1,866,965
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Issue date Jul 12, 1932
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...