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E & J DeMARK, Inc.

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Organization

  • Wauseon, OH, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical connector
    • Patent number 6,979,207
    • Issue date Dec 27, 2005
    • E & J Demark, Inc.
    • Jeffrey P. Wenger
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical ground connector assembly
    • Patent number 6,137,049
    • Issue date Oct 24, 2000
    • E & J Demark, Inc.
    • John David Hecock
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical ground connector assembly
    • Patent number 5,864,093
    • Issue date Jan 26, 1999
    • E & J Demark, Inc.
    • J. Edwin Hecock
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical grounding rod driving bit
    • Patent number 5,188,187
    • Issue date Feb 23, 1993
    • E & J Demark, Inc.
    • James O. Mumper
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Electrical grounding rod driving device
    • Patent number 4,557,409
    • Issue date Dec 10, 1985
    • E & J Demark, Inc.
    • J. Edwin Hecock
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    Electrical connector
    • Publication number 20040132356
    • Publication date Jul 8, 2004
    • E & J DeMARK, Inc.
    • Jeffrey P. Wenger
    • H01 - BASIC ELECTRIC ELEMENTS

Trademarklast 30 trademarks

  • Information Trademark

    78195632 - GROUNDLOCK
    • Serial number 78195632
    • Registration number 2880352
    • Filing date Dec 18, 2002
    • E & J DeMARK, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    75113877 - DEMARK
    • Serial number 75113877
    • Registration number 2124934
    • Filing date Jun 4, 1996
    • E & J DeMARK, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    75113876 - COPPERHEAD
    • Serial number 75113876
    • Registration number 2124933
    • Filing date Jun 4, 1996
    • E & J DeMARK, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments