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David E. Butz

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  • Littleton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    System for growing tissue cultures
    • Patent number 4,308,351
    • Issue date Dec 29, 1981
    • Joseph Leighton
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Radioimmunoassay plate
    • Patent number 4,292,273
    • Issue date Sep 29, 1981
    • Data Packaging Corporation
    • David E. Butz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL