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Robert P. Helstern

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  • Costa Mesa, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ruggedized safety mirror having polymethylmethacrylate layers and e...
    • Patent number 10,281,620
    • Issue date May 7, 2019
    • Optic Clear Solutions, LLC
    • Robert P. Helstern
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Ruggedized placard
    • Patent number 10,157,555
    • Issue date Dec 18, 2018
    • Optic Clear Solutions, LLC
    • Samkol Truong
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Transparent screen cover
    • Patent number 9,838,606
    • Issue date Dec 5, 2017
    • Optic Clear Solutions, LLC
    • Samkol Truong
    • G02 - OPTICS
  • Information Patent Grant

    Optical display with optical monolith
    • Patent number 8,702,249
    • Issue date Apr 22, 2014
    • Staco Systems Corporation
    • Robert P. Helstern
    • F21 - LIGHTING
  • Information Patent Grant

    Method of filtering spectral energy
    • Patent number 7,312,434
    • Issue date Dec 25, 2007
    • Eaton Corporation
    • Robert P. Helstern
    • F41 - WEAPONS
  • Information Patent Grant

    Display system
    • Patent number 5,951,150
    • Issue date Sep 14, 1999
    • Eaton Corporation
    • Robert Patrick Helstern
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display system
    • Patent number 5,913,617
    • Issue date Jun 22, 1999
    • Eaton Corporation
    • Robert P. Helstern
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display system having electroluminescent devices
    • Patent number 5,820,246
    • Issue date Oct 13, 1998
    • Eaton Corporation
    • Robert P. Helstern
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Illumination system
    • Patent number 5,743,629
    • Issue date Apr 28, 1998
    • Eaton Corporation
    • Robert P. Helstern
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Display system
    • Patent number 5,544,019
    • Issue date Aug 6, 1996
    • Eaton Corporation
    • Vanacan Tatavoosian
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display system
    • Patent number 5,295,050
    • Issue date Mar 15, 1994
    • Eaton Corporation
    • Robert P. Helstern
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPACT SWITCH
    • Publication number 20220122786
    • Publication date Apr 21, 2022
    • OPTIC CLEAR SOLUTIONS, LLC
    • Samkol Truong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RUGGEDIZED PLACARD
    • Publication number 20170345349
    • Publication date Nov 30, 2017
    • Samkol Truong
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    TRANSPARENT SCREEN COVER
    • Publication number 20170134660
    • Publication date May 11, 2017
    • Samkol Truong
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    OPTICAL PANEL DISPLAY
    • Publication number 20130258643
    • Publication date Oct 3, 2013
    • Robert P. Helstern
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL DISPLAY WITH OPTICAL MONOLITH
    • Publication number 20120013986
    • Publication date Jan 19, 2012
    • Robert P. Helstern
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS