TREA

David Friedersdorff

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  • Dallas, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Moving light with follow spot
    • Patent number 8,845,150
    • Issue date Sep 30, 2014
    • Production Resource Group L.L.C.
    • Rusty Brutsche
    • F21 - LIGHTING
  • Information Patent Grant

    Dual in focus gobo
    • Patent number 8,573,810
    • Issue date Nov 5, 2013
    • Production Resource Group, L.L.C.
    • Russel B Mahaffey
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Moving Light with Follow Spot
    • Publication number 20150016127
    • Publication date Jan 15, 2015
    • PRODUCTION RESOURCE GROUP LLC
    • Rusty Brutsche
    • F21 - LIGHTING
  • Information Patent Application

    Dual in Focus Gobo
    • Publication number 20110170072
    • Publication date Jul 14, 2011
    • PRODUCTION RESOURCE GROUP L.L.C
    • Russel B. Mahaffey
    • F21 - LIGHTING
  • Information Patent Application

    Moving Light with Follow Spot
    • Publication number 20110164428
    • Publication date Jul 7, 2011
    • PRODUCTION RESOURCE GROUP L.L.C
    • Rusty Brutsche
    • F21 - LIGHTING