Patents by Inventor Dirk Bruinsma

Dirk Bruinsma 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).

  • Cup holder
    Patent number: 6360913
    Abstract: A cup holder incorporating an expandable circular band to which is affixed a handle having vertically oriented finger rings and a vertically projecting stem that includes a finger pad.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: March 26, 2002
    Inventors: Dirk Bruinsma, Bruce H. Hale
  • Cup holder
    Patent number: D455613
    Type: Grant
    Filed: February 22, 2001
    Date of Patent: April 16, 2002
    Inventors: Dirk Bruinsma, Bruce H. Hale