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Harold T. Pontius

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  • Dublin, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-media filter frame construction
    • Patent number 4,737,174
    • Issue date Apr 12, 1988
    • Columbus Industries, Inc.
    • Harold T. Pontius
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Odor filter media
    • Patent number 4,504,290
    • Issue date Mar 12, 1985
    • Columbus Industries, Inc.
    • Harold T. Pontius
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL