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Donald E. Richard

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  • Rockport, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 5,300,131
    • Issue date Apr 5, 1994
    • Donald E. Richard
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

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    • Patent number 4,787,920
    • Issue date Nov 29, 1988
    • Donald E. Richard
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL