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H J Fischer, LLC

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  • Imperial, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Duct tie rod and method
    • Patent number 12,130,041
    • Issue date Oct 29, 2024
    • H J FISCHER LLC
    • Joshua Fischer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    System and method for joining and hanging ducts
    • Patent number 11,828,393
    • Issue date Nov 28, 2023
    • H J Fischer, LLC
    • Herbert J. Fischer
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    System and method for joining and hanging ducts
    • Patent number 10,544,891
    • Issue date Jan 28, 2020
    • H J FISCHER LLC
    • Herbert J. Fischer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sheet metal corner for duct flanges
    • Patent number 8,474,881
    • Issue date Jul 2, 2013
    • H J Fischer, LLC
    • Herbert J. Fischer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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