Patents by Inventor David G. Schueler

David G. Schueler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Retroreflective articles comprising olefinic seal films
    Patent number: 8297761
    Abstract: Microstructured articles, such as a retroreflective articles, having a plurality of (e.g. cube-corner) microstructured elements and a seal film layer adhered to portions of the cube-corner elements and/or portions of a (e.g., flexible) body layer. The seal film is a thermoplastic polymeric material comprising reaction products of alkylene in an amount of at least about 50% and reaction products of at least one non-acidic polar monomer.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: October 30, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Bimal V. Thakkar, Jeffrey O. Emslander, Steven M. Nielsen, Douglas J. Hall, David G. Schueler
  • RETROREFLECTIVE ARTICLES COMPRISING OLEFINIC SEAL FILMS
    Publication number: 20100007954
    Abstract: Microstructured articles, such as a retroreflective articles, having a plurality of (e.g. cube-corner) microstructured elements and a seal film layer adhered to portions of the cube-corner elements and/or portions of a (e.g., flexible) body layer. The seal film is a thermoplastic polymeric material comprising reaction products of alkylene in an amount of at least about 50% and reaction products of at least one non-acidic polar monomer.
    Type: Application
    Filed: September 18, 2009
    Publication date: January 14, 2010
    Inventors: Bimal V. Thakkar, Jeffrey O. Emslander, Steven M. Nielsen, Douglas J. Hall, David G. Schueler
  • Retroreflective articles comprising olefinic seal films
    Patent number: 7611251
    Abstract: Microstructured articles, such as a retroreflective articles, having a plurality of (e.g. cube-corner) microstructured elements and a seal film layer adhered to portions of the cube-corner elements and/or portions of a (e.g. flexible) body layer. The seal film is a thermoplastic polymeric material comprising reaction products of alkylene in an amount of at least about 50% and reaction products of at least one non-acidic polar monomer.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: November 3, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Bimal V. Thakkar, Jeffrey O. Emslander, Steven M. Nielsen, Douglas J. Hall, David G. Schueler
  • High entrance angle retroreflective article and method of making
    Patent number: 5880885
    Abstract: Retroreflective article that provides effective retroreflective brightness at very high entrance angles as well as low entrance angles.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: March 9, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Terry R. Bailey, Louis C. Belisle, deceased, Larry K. Stump, Gregory F. Jacobs, David G. Schueler, Dale H. Haunschild