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Daniel C. Doan

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  • Marietta, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing structure
    • Patent number 5,117,587
    • Issue date Jun 2, 1992
    • RJF International Corporation
    • Daniel C. Doan
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compression honeycomb door seal
    • Patent number 4,807,397
    • Issue date Feb 28, 1989
    • RJF International Corporation
    • Daniel C. Doan
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS