TREA

David M. Lapychak

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  • San Antonio, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Room air conditioner grill
    • Patent number D310411
    • Issue date Sep 4, 1990
    • Friedrich Air Conditioning & Refrigeration Co.
    • David M. Lapychak
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Room air conditioner grill
    • Patent number D310410
    • Issue date Sep 4, 1990
    • Freidrich Air Conditioning & Refrigeration Co.
    • David M. Lapychak
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Room air conditioner grill
    • Patent number D284305
    • Issue date Jun 17, 1986
    • Friedrich Air Conditioning & Refrigeration Co.
    • David M. Lapychak
    • D23 - Environmental heating and cooling