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Harry M. Zimmerman

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  • La Mesa, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe slip joint system
    • Patent number 4,687,232
    • Issue date Aug 18, 1987
    • Harry M. Zimmerman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cam-lock fitting
    • Patent number 4,278,279
    • Issue date Jul 14, 1981
    • Harry M. Zimmerman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...