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John M. Alvarez

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  • Wycombe, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Motorless floor washing machine
    • Patent number 5,613,270
    • Issue date Mar 25, 1997
    • Alvarez; David M.
    • John M. Alvarez
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor scrubber and buffer
    • Patent number 4,150,456
    • Issue date Apr 24, 1979
    • David M. Alvarez
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...