Patents by Inventor Donald Lindquist

Donald Lindquist 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).

  • Method and apparatus for end-rounding bristles
    Patent number: 6354911
    Abstract: An apparatus for end-rounding bristles in a brush having different heights. The apparatus includes pins disposed in pre-determined locations such that they will contact selected bristles in a brush abutting the apparatus when the pins travel a two-dimensional path. The height of the pins is adjusted according to the heights of the selected bristles.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: March 12, 2002
    Assignee: Moll Industries, Inc.
    Inventors: Donald Lindquist, Kenan Bible, James Collins, Lloyd Etter