Patents by Inventor Douglas M. Olson

Douglas M. Olson 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: 4939625
    Abstract: A method and system for displaying objects are disclosed. The display system includes a cabinet having at least one viewing compartment such as a shelf and a light source mounted in the back of the cabinet. The system also includes a plurality of generally rectangularly shaped cases such as a compact disc case each of which has at least one generally transparent side and one generally transparent end edge adjoining the transparent side. Each case also has a generally opaque label affixed to the inside surface of the transparent end edge. The cases are arranged in the viewing compartment in an abutting side by side manner and positioned in the viewing compartment with respect to the light source so that the transparent sides of the abutting cases are capable of receiving and transmitting light from the light source to the transparent end edges of the cases where the light illuminates the labels affixed to the inside surfaces of the transparent end edges.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: July 3, 1990
    Inventor: Douglas M. Olson
  • Patent number: 4792102
    Abstract: An apparatus for dispensing a roll of paper towels and the like is disclosed. The apparatus includes a base and an upright rod attached thereto for maintaining a roll installed thereon in an upright position. The roll is installed on the rod with the rod positioned within the hollow interior of the roll. The apparatus also includes a brake support structure attached to the base which is spaced from the rod to permit a roll of paper towels to be installed on the rod. The apparatus further includes brake means having releasable attaching means and movable attaching means. The releasable attaching means attaches the brake means to the rod to secure the brake means in a braking position. The movable attaching means movably attaches the brake means to the brake support structure. Together, the movable and releasable attaching means enable the brake means to be released and moved away from the rod.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: December 20, 1988
    Inventor: Douglas M. Olson