TREA

Joseph S. Hofstra

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  • Los Lunas, NM, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Modular wall apparatus and method for its use
    • Patent number 5,322,473
    • Issue date Jun 21, 1994
    • Quality Air Systems, Inc.
    • Joseph S. Hofstra
    • B08 - CLEANING
  • Information Patent Grant

    Smoker's booth
    • Patent number 5,181,883
    • Issue date Jan 26, 1993
    • Quality Air Systems, Inc.
    • Joseph S. Hofstra
    • B08 - CLEANING
  • Information Patent Grant

    Smoker's booth
    • Patent number 5,085,134
    • Issue date Feb 4, 1992
    • Joseph S. Hofstra
    • B08 - CLEANING