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Culture dish package and method of making
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Patent number 6,670,174
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Issue date Dec 30, 2003
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Difco Laboratories Incorporated
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Jerry W. Smith
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Dry slide for diagnostic tests
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Patent number 5,411,893
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Issue date May 2, 1995
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Difco Laboratories
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Ruth F. Eden
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Culture media package
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Patent number 4,988,302
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Issue date Jan 29, 1991
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Difco Laboratories Incorporated
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Jerry W. Smith
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Luminescence exposure apparatus
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Patent number 4,985,631
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Issue date Jan 15, 1991
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Jon C. Wannlund
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Fluted culture vessel
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Patent number 4,912,048
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Issue date Mar 27, 1990
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Difco Laboratories
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Jerry W. Smith
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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