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Robert M. Emmons

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  • St. Paul, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light control film with turning film and lenticular diffuser for vi...
    • Patent number 11,448,814
    • Issue date Sep 20, 2022
    • 3M Innovative Properties Company
    • Robert M. Emmons
    • G02 - OPTICS
  • Information Patent Grant

    Asymmetric turning film with top-hat light output distributions
    • Patent number 11,307,333
    • Issue date Apr 19, 2022
    • 3M Innovative Properties Company
    • Robert M. Emmons
    • F21 - LIGHTING
  • Information Patent Grant

    Light control film with turning film and lenticular diffuser for vi...
    • Patent number 11,099,314
    • Issue date Aug 24, 2021
    • 3M Innovative Properties Company
    • Kenneth A. Epstein
    • G02 - OPTICS
  • Information Patent Grant

    Lightguide
    • Patent number 10,775,547
    • Issue date Sep 15, 2020
    • 3M Innovation Properties Company
    • Robert M. Emmons
    • G02 - OPTICS
  • Information Patent Grant

    Optical film
    • Patent number 10,288,796
    • Issue date May 14, 2019
    • 3M Innovative Properties Company
    • Gary T. Boyd
    • G02 - OPTICS
  • Information Patent Grant

    Uniform light directing film and method of making same
    • Patent number 9,164,220
    • Issue date Oct 20, 2015
    • 3M Innovative Properties Company
    • Bryan V. Hunt
    • G02 - OPTICS
  • Information Patent Grant

    LED array systems
    • Patent number 8,246,220
    • Issue date Aug 21, 2012
    • 3M Innovative Properties Company
    • Kenneth A. Epstein
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Direct-LIT liquid crystal displays with laminated diffuser plates
    • Patent number 8,125,589
    • Issue date Feb 28, 2012
    • 3M Innovative Properties Company
    • Byungsoo Ko
    • G02 - OPTICS
  • Information Patent Grant

    LED array systems
    • Patent number 7,997,771
    • Issue date Aug 16, 2011
    • 3M Innovative Properties Company
    • Kenneth A. Epstein
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Back-lit displays with high illumination uniformity
    • Patent number 7,766,528
    • Issue date Aug 3, 2010
    • 3M Innovative Properties Company
    • Kenneth A. Epstein
    • G02 - OPTICS
  • Information Patent Grant

    Luminaire device
    • Patent number 7,587,117
    • Issue date Sep 8, 2009
    • 3M Innovative Properties Company
    • Roland Winston
    • F21 - LIGHTING
  • Information Patent Grant

    Back-lit displays with high illumination uniformity
    • Patent number 7,478,913
    • Issue date Jan 20, 2009
    • 3M Innovative Properties
    • Kenneth A. Epstein
    • G02 - OPTICS
  • Information Patent Grant

    Direct-lit liquid crystal displays with laminated diffuser plates
    • Patent number 7,446,827
    • Issue date Nov 4, 2008
    • 3M Innovative Properties Company
    • Byungsoo Ko
    • G02 - OPTICS
  • Information Patent Grant

    Composite diffuser plates and direct-lit liquid crystal displays us...
    • Patent number 7,436,469
    • Issue date Oct 14, 2008
    • 3M Innovative Properties Company
    • Mark D. Gehlsen
    • G02 - OPTICS
  • Information Patent Grant

    Luminaire device
    • Patent number 7,424,197
    • Issue date Sep 9, 2008
    • 3M Innovative Properties Company
    • Roland Winston
    • F21 - LIGHTING
  • Information Patent Grant

    Luminaire device
    • Patent number 7,418,188
    • Issue date Aug 26, 2008
    • 3M Innovative Properties Company
    • Roland Winston
    • F21 - LIGHTING
  • Information Patent Grant

    Thin direct-lit backlight for LCD display
    • Patent number 7,220,036
    • Issue date May 22, 2007
    • 3M Innovative Properties Company
    • Jennifer R. Yi
    • G02 - OPTICS
  • Information Patent Grant

    Luminaire device
    • Patent number 7,209,628
    • Issue date Apr 24, 2007
    • 3M Innovative Properties Company
    • Roland Winston
    • F21 - LIGHTING
  • Information Patent Grant

    Multifunctional optical assembly
    • Patent number 7,095,943
    • Issue date Aug 22, 2006
    • 3M Innovative Properties Company
    • Robert M. Emmons
    • G02 - OPTICS
  • Information Patent Grant

    Multifunctional optical assembly
    • Patent number 7,010,212
    • Issue date Mar 7, 2006
    • 3M Innovative Properties Company
    • Robert M. Emmons
    • G02 - OPTICS
  • Information Patent Grant

    Luminaire device
    • Patent number 6,993,242
    • Issue date Jan 31, 2006
    • 3M Innovative Properties Company
    • Roland Winston
    • F21 - LIGHTING
  • Information Patent Grant

    Luminaire device
    • Patent number 6,671,452
    • Issue date Dec 30, 2003
    • 3M Innovative Properties Company
    • Roland Winston
    • F21 - LIGHTING
  • Information Patent Grant

    Multilayer luminaire device
    • Patent number 6,335,999
    • Issue date Jan 1, 2002
    • Minnesota Mining & Mfg. Co.
    • Roland Winston
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Luminaire device
    • Patent number 6,044,196
    • Issue date Mar 28, 2000
    • Minnesota Mining & Manufacturing, Co.
    • Roland Winston
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Luminaire device
    • Patent number 6,002,829
    • Issue date Dec 14, 1999
    • Minnesota Mining and Manufacturing Company
    • Roland Winston
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Luminaire device
    • Patent number 5,594,830
    • Issue date Jan 14, 1997
    • Minnesota Mining and Manufacturing Co.
    • Roland Winston
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Tapered multilayer luminaire devices
    • Patent number 5,528,720
    • Issue date Jun 18, 1996
    • Minnesota Mining and Manufacturing Co.
    • Roland Winston
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents