Patents by Inventor David L. Sousa

David L. Sousa 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).

  • Patent number: 11999188
    Abstract: A transfer article with a thickness of less than 3 micrometers includes a first acrylate layer that is releasable from a metal or doped semiconductor release layer at a release value of from 2 to 50 grams/inch. The article includes a functional layer overlaying the first acrylate layer. The functional layer includes at least one microfractured inorganic layer about 3 nanometers to about 200 nanometers thick, which has a plurality of toolmarks interspersed with cracks.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: June 4, 2024
    Assignee: 3M Innovative Properties Company
    Inventors: Kevin W. Gotrik, Scott J. Jones, Huiwen Tai, Joan M. Frankel, Robert R. Owings, Bhaskar V. Velamakanni, Jeanne M. Bruss, David J. Rowe, Matthew E. Sousa, Bradley L. Givot
  • Patent number: 4788629
    Abstract: An instrument panel member comprising a multiple-ply back sheet of fiberglas reinforced material impregnated with a polyester resin, a multiple-ply front sheet of the same material and one or more electroluminescent (EL) lamp elements positioned therebetween. The overall structure is cured at a temperature and pressure selected to provide adequate curing without damage to the EL lamp elements and so as to minimize warpage of the final structure. The thickness of the back sheet is selected to accommodate the dimensions of the EL lamps and any electrical connectors used therewith while the thickness of the front sheet is normally much less and need only be such as to permit light from the EL lamps to be seen therethrough.
    Type: Grant
    Filed: October 29, 1986
    Date of Patent: November 29, 1988
    Assignee: Loctite Luminescent Systems, Inc.
    Inventors: Charles R. Handy, Dwight H. Brattain, David L. Sousa