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David U. Hillstrom

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  • Novi, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sign stand with rolling base
    • Patent number 8,104,205
    • Issue date Jan 31, 2012
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Sign stand with rolling base
    • Patent number 7,996,980
    • Issue date Aug 16, 2011
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Sign stand with rolling base
    • Patent number 7,941,951
    • Issue date May 17, 2011
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Flexible sign mount
    • Patent number 7,698,843
    • Issue date Apr 20, 2010
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Sign stand with rolling base
    • Patent number 7,584,563
    • Issue date Sep 8, 2009
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Portable sign stand with sign release mechanism
    • Patent number 7,458,554
    • Issue date Dec 2, 2008
    • Marketing Displays, Inc.
    • Yevgeniy M Levin
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Outdoor menu display device
    • Patent number 7,174,663
    • Issue date Feb 13, 2007
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Menu display device
    • Patent number 6,843,011
    • Issue date Jan 18, 2005
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Portable sign stand with leg release mechanism
    • Patent number 6,755,381
    • Issue date Jun 29, 2004
    • Marketing Displays, Inc.
    • Yevgeniy M. Levin
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Outdoor menu display device
    • Patent number 6,631,576
    • Issue date Oct 14, 2003
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Fold-up sign panel assembly
    • Patent number 6,606,809
    • Issue date Aug 19, 2003
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Portable sign stand having frangible post
    • Patent number 6,560,906
    • Issue date May 13, 2003
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Flag holder bracket for sign stand
    • Patent number 6,427,964
    • Issue date Aug 6, 2002
    • Marketing Displays International
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Outdoor menu display device
    • Patent number 6,298,589
    • Issue date Oct 9, 2001
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Sign bracket for sign stand
    • Patent number 6,237,883
    • Issue date May 29, 2001
    • Marketing Displays International
    • Yevgeniy M. Levin
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Outdoor menu display device
    • Patent number 6,125,565
    • Issue date Oct 3, 2000
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Sign stand for flexible traffic control signage
    • Patent number 6,056,250
    • Issue date May 2, 2000
    • Marketing Displays International
    • David U. Hillstrom
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Sign stand with cam release assembly
    • Patent number 6,032,908
    • Issue date Mar 7, 2000
    • Marketing Displays International
    • David U. Hillstrom
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Outdoor menu display device
    • Patent number 5,983,543
    • Issue date Nov 16, 1999
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Illuminated lightbox structure with light dispersion members
    • Patent number 5,947,589
    • Issue date Sep 7, 1999
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Illuminated canopy system
    • Patent number 5,931,564
    • Issue date Aug 3, 1999
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Method for installing flexible sign panels with movable trolley
    • Patent number 5,878,474
    • Issue date Mar 9, 1999
    • Marketing Displays, Inc.
    • Vladimir Yasnogorodskiy
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Illuminated canopy system
    • Patent number RE36039
    • Issue date Jan 12, 1999
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • 362 - Illumination
  • Information Patent Grant

    Portable collapsible sign and stand
    • Patent number 5,829,178
    • Issue date Nov 3, 1998
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Poster frame with moisture seal
    • Patent number 5,815,971
    • Issue date Oct 6, 1998
    • Marketing Displays, Inc.
    • Peter F. Rothe
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Illuminated canopy system
    • Patent number 5,746,503
    • Issue date May 5, 1998
    • Marketing Displays Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Movable apparatus for installing flexible sign panels
    • Patent number 5,738,294
    • Issue date Apr 14, 1998
    • Marketing Displays, Inc.
    • Vladimir Yasnogorodskiy
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sign stand with rolling base
    • Patent number D392686
    • Issue date Mar 24, 1998
    • Marketing Displays, Inc.
    • Robert Sarkisian
    • D20 - Sales and advertising equipment
  • Information Patent Grant

    Universal flexible sign mounting device
    • Patent number 5,725,186
    • Issue date Mar 10, 1998
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Movable apparatus for installing flexible sign panels
    • Patent number 5,725,173
    • Issue date Mar 10, 1998
    • Marketing Displays, Inc.
    • Vladimir Yasnogorodskiy
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Sign Stand With Rolling Base
    • Publication number 20110197482
    • Publication date Aug 18, 2011
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    SIGN STAND WITH ROLLING BASE
    • Publication number 20090320266
    • Publication date Dec 31, 2009
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    SIGN STAND WITH ROLLING BASE
    • Publication number 20090320341
    • Publication date Dec 31, 2009
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Universally Mountable Bollard Bracket
    • Publication number 20090230266
    • Publication date Sep 17, 2009
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    SLIDING BOLLARD BRACKET MOUNT
    • Publication number 20090084919
    • Publication date Apr 2, 2009
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Menu board assembly
    • Publication number 20080236005
    • Publication date Oct 2, 2008
    • Igor Isayev
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Flexible Sign Mount
    • Publication number 20070214693
    • Publication date Sep 20, 2007
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Sign stand with rolling base
    • Publication number 20060117624
    • Publication date Jun 8, 2006
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Outdoor menu display device
    • Publication number 20050229453
    • Publication date Oct 20, 2005
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Wind resistant sign
    • Publication number 20050076552
    • Publication date Apr 14, 2005
    • Stefan N. Tolna
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Outdoor menu display device
    • Publication number 20040045200
    • Publication date Mar 11, 2004
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Fold-up sign panel assembly
    • Publication number 20030033743
    • Publication date Feb 20, 2003
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Outdoor menu display device
    • Publication number 20010032404
    • Publication date Oct 25, 2001
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS