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Arthur Cox

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  • Park Ridge, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-density illumination system
    • Patent number 7,520,642
    • Issue date Apr 21, 2009
    • Digital Optics International Corporation
    • Robert L. Holman
    • F21 - LIGHTING
  • Information Patent Grant

    High-density illumination system
    • Patent number 7,210,806
    • Issue date May 1, 2007
    • Digital Optics International Corporation
    • Robert L. Holman
    • F21 - LIGHTING
  • Information Patent Grant

    Uniform illumination system
    • Patent number 7,072,096
    • Issue date Jul 4, 2006
    • Digital Optics International, Corporation
    • Robert L. Holman
    • F21 - LIGHTING
  • Information Patent Grant

    High-density illumination system
    • Patent number 6,871,982
    • Issue date Mar 29, 2005
    • Digital Optics International Corporation
    • Robert L. Holman
    • F21 - LIGHTING
  • Information Patent Grant

    Image projection system
    • Patent number 6,520,643
    • Issue date Feb 18, 2003
    • Digital Optics International
    • Robert L. Holman
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image projection system
    • Patent number 6,375,327
    • Issue date Apr 23, 2002
    • Digital Optics International
    • Robert L. Holman
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image projection system
    • Patent number 6,213,606
    • Issue date Apr 10, 2001
    • Digital Optics International
    • Robert L. Holman
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image projection system
    • Patent number 5,975,703
    • Issue date Nov 2, 1999
    • Digital Optics International
    • Robert L. Holman
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light emitting device
    • Patent number 5,577,834
    • Issue date Nov 26, 1996
    • Federal Signal Corporation
    • Timothy J. Mazies
    • F21 - LIGHTING
  • Information Patent Grant

    Photographic background device
    • Patent number 4,183,644
    • Issue date Jan 15, 1980
    • Tureck; Albert
    • Albert Tureck
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Viewfinder optics with zero power doublet
    • Patent number 4,086,000
    • Issue date Apr 25, 1978
    • Bell & Howell Company
    • Arthur Cox
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    High-density illumination system
    • Publication number 20070211449
    • Publication date Sep 13, 2007
    • Digital Optics International Corporation
    • Robert L. Holman
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    High-density illumination system
    • Publication number 20050185419
    • Publication date Aug 25, 2005
    • Digital Optics International Corporation
    • Robert L. Holman
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    High-density illumination system
    • Publication number 20040218390
    • Publication date Nov 4, 2004
    • Digital Optics International Corporation
    • Robert L. Holman
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Uniform illumination system
    • Publication number 20040080938
    • Publication date Apr 29, 2004
    • Digital Optics International Corporation
    • Robert L. Holman
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE