TREA

Sigfrid A. Tomchak

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  • Fountain Valley, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Quick-disconnect fitting or similar article
    • Patent number D291479
    • Issue date Aug 18, 1987
    • Cuno Incorporated
    • James M. Padilla
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water purifier fitting and system
    • Patent number 4,599,171
    • Issue date Jul 8, 1986
    • Pure Water International, Inc.
    • James M. Padilla
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Solar energy heater
    • Patent number 4,085,728
    • Issue date Apr 25, 1978
    • Sigfrid A. Tomchak
    • F24 - HEATING RANGES VENTILATING