TREA

Floyd G. Koller

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  • Dayton, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aircraft toilet tank filling valve assembly
    • Patent number 4,928,731
    • Issue date May 29, 1990
    • Auto-Valve, Inc.
    • Floyd G. Koller
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Drain valve
    • Patent number 4,880,029
    • Issue date Nov 14, 1989
    • Auto-Valve, Inc.
    • Floyd G. Koller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drain valve
    • Patent number 4,351,355
    • Issue date Sep 28, 1982
    • Auto-Valve, Inc.
    • Floyd G. Koller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...