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Daniel J. Steffan

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  • Erie, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plug with handle
    • Patent number 10,514,124
    • Issue date Dec 24, 2019
    • Mueller Industries, Inc.
    • John Webb
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Protective valve cap
    • Patent number 6,854,616
    • Issue date Feb 15, 2005
    • Alliance Plastics
    • Daniel J. Steffan
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

  • Information Patent Application

    Plug With Handle
    • Publication number 20180306370
    • Publication date Oct 25, 2018
    • Mueller Industries, Inc.
    • John WEBB
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Protective cap
    • Publication number 20080232927
    • Publication date Sep 25, 2008
    • Alliance Plastics
    • Matthew G. Trimble
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Combination tethered protective-cap and pressure cap
    • Publication number 20080196768
    • Publication date Aug 21, 2008
    • Alliance Plastics
    • Daniel J. Steffan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Protective valve cap
    • Publication number 20030201266
    • Publication date Oct 30, 2003
    • Alliance Plastics
    • Daniel J. Steffan
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS