Patents by Inventor David C. Lueneburg

David C. Lueneburg 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).

  • Acrylic polyvinyl acetal film for a light directing article
    Patent number: 11397286
    Abstract: A light directing article comprises an acrylic polyvinyl acetal film to protect the optical elements of the light directing article. The acrylic polyvinyl acetal film has a Tg of at least 30° C. and comprises a (meth)acrylic polymer and polyvinyl acetal polymer. The acrylic polyvinyl acetal film is flexible and durable to mechanical deformation.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: July 26, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Todd D. Jones, Bimal V. Thakkar, Duane D. Fansler, Anthony F. Schultz, Jonathan E. Janoski, David C. Lueneburg, Carla S. Thomas, Tien Yi T. H. Whiting, Robert F. Watkins
  • Acrylic Polyvinyl Acetal Film for a Light Directing Article
    Publication number: 20190302317
    Abstract: A light directing article comprises an acrylic polyvinyl acetal film to protect the optical elements of the light directing article. The acrylic polyvinyl acetal film has a Tg of at least 30° C. and comprises a (meth)acrylic polymer and polyvinyl acetal polymer. The acrylic polyvinyl acetal film is flexible and durable to mechanical deformation.
    Type: Application
    Filed: June 5, 2017
    Publication date: October 3, 2019
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Todd D. Jones, Bimal V. Thakkar, Duane D. Fansler, Anthony F. Schultz, Jonathan E. Janoski, David C. Lueneburg, Carla S. Thomas, Tien Yi T.H. Whiting, Robert F. Watkins
  • MICROFLUIDIC DEVICES
    Publication number: 20080233011
    Abstract: A microfluidic device having a first semi-crystalline polymer film with an amorphous or quasi-amorphous surface adhered to an amorphous or quasi-amorphous surface of a second semi-crystalline polymer film. The first semi-crystalline polymer film may also be adhered in part to a conductive layer.
    Type: Application
    Filed: March 23, 2007
    Publication date: September 25, 2008
    Inventors: Douglas B. Gundel, David C. Lueneburg
  • Etched dielectric film in microfluidic devices
    Publication number: 20040258885
    Abstract: An etched dielectric film for use in microfluidic devices. Channels, recesses, and other features can be etched into the films to make them suitable for use in microfluidic devices.
    Type: Application
    Filed: March 3, 2004
    Publication date: December 23, 2004
    Inventors: Nathan P. Kreutter, Rui Yang, Guoping Mao, Denny G. Aeschliman, Douglas B. Gundel, David C. Lueneburg
  • Metal matrix composite wires, cables, and method
    Patent number: 6344270
    Abstract: Metal matrix composite wires that include at least one tow comprising a plurality of substantially continuous, longitudinally positioned fibers in a metal matrix. The fibers are selected from the group of ceramic fibers carbon fibers, and mixtures thereof. The wires have certain specified characteristics such as roundness values, roundness uniformity values, and/or diameter uniformity values.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: February 5, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Colin McCullough, David C. Lueneburg, Paul S. Werner, Herve E. Deve, Michael W. Carpenter, Kenneth L. Yarina