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Urobilinogen control
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Patent number 4,703,013
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Issue date Oct 27, 1987
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Allan L. Louderback
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G01 - MEASURING TESTING
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Urobilinogen control
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Patent number 4,677,075
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Issue date Jun 30, 1987
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Allan L. Louderback
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G01 - MEASURING TESTING
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Stabilized enzymatic composition
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Patent number 4,668,630
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Issue date May 26, 1987
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Beckman Instruments, Inc.
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Allan L. Louderback
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Hematology control
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Patent number 4,579,824
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Issue date Apr 1, 1986
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Allan L. Louderback
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G01 - MEASURING TESTING
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Enzyme reference composition
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Patent number 4,325,832
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Issue date Apr 20, 1982
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Beckman Instruments, Inc.
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Allan L. Louderback
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Blood gas control
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Patent number 4,279,775
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Issue date Jul 21, 1981
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Allan L. Louderback
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G01 - MEASURING TESTING
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Blood control standard
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Patent number 4,126,575
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Issue date Nov 21, 1978
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Allan L. Louderback
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G01 - MEASURING TESTING
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Blood control standard
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Patent number 3,973,913
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Issue date Aug 10, 1976
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Allan L. Louderback
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G01 - MEASURING TESTING
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