TREA

Chad Stelzig

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  • Savage, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roadway sensing systems
    • Patent number 11,080,995
    • Issue date Aug 3, 2021
    • Image Sensing Systems, Inc.
    • Chad Stelzig
    • G08 - SIGNALLING
  • Information Patent Grant

    Roadway sensing systems
    • Patent number 10,055,979
    • Issue date Aug 21, 2018
    • Image Sensing Systems, Inc.
    • Chad Stelzig
    • G08 - SIGNALLING
  • Information Patent Grant

    Roadway sensing systems
    • Patent number 9,472,097
    • Issue date Oct 18, 2016
    • Image Sensing Systems, Inc.
    • Chad Stelzig
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

  • Information Patent Application

    ROADWAY SENSING SYSTEMS
    • Publication number 20180350231
    • Publication date Dec 6, 2018
    • IMAGE SENSING SYSTEMS, INC.
    • Chad Stelzig
    • G08 - SIGNALLING
  • Information Patent Application

    ROADWAY SENSING SYSTEMS
    • Publication number 20170011625
    • Publication date Jan 12, 2017
    • IMAGE SENSING SYSTEMS, INC.
    • Chad Stelzig
    • G08 - SIGNALLING
  • Information Patent Application

    ROADWAY SENSING SYSTEMS
    • Publication number 20140195138
    • Publication date Jul 10, 2014
    • IMAGE SENSING SYSTEMS, INC.
    • Chad Stelzig
    • G08 - SIGNALLING