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David Fuller

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  • Ellsworth, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Manhole cover safety device
    • Patent number 8,449,216
    • Issue date May 28, 2013
    • East Jordan Iron Works, Inc.
    • Kevin S. Vrondran
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Manhole cover hinge assembly
    • Patent number 8,206,058
    • Issue date Jun 26, 2012
    • East Jordan Iron Works, Inc.
    • Kevin S. Vrondran
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Manhole system
    • Patent number 7,726,903
    • Issue date Jun 1, 2010
    • East Jordan Iron Works, Inc.
    • Kevin S. Vrondran
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    MANHOLE COVER SAFETY DEVICE
    • Publication number 20130071183
    • Publication date Mar 21, 2013
    • EAST JORDAN IRON WORKS, INC.
    • Kevin S. Vrondran
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MANHOLE COVER HINGE ASSEMBLY
    • Publication number 20100012671
    • Publication date Jan 21, 2010
    • EAST JORDAN IRON WORKS, INC.
    • Kevin S. Vrondran
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MANHOLE SYSTEM
    • Publication number 20090180832
    • Publication date Jul 16, 2009
    • EAST JORDAN IRON WORKS, INC.
    • Kevin S. Vrondran
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING