Patents by Inventor Douglas S. Jackman

Douglas S. Jackman 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).

  • Hub centric truck wheel cap and spacer apparatus and method of using same
    Patent number: 6206479
    Abstract: Hub centric truck wheel cap apparatus including a cup shaped cap having a cylindrical wall configured with radially through windows. A set of spacer rings having lugs of different radial depths are provided for mating with the cap and projecting through such windows to form spacers in the annulus between selected wheels of different center bore diameters and a centering shoulder on a truck hub.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: March 27, 2001
    Assignee: Coyote Enterprises, Inc.
    Inventors: Douglas S. Jackman, Russell S. Fuller, Corey Kiesel
  • Protective bed frame with earthquake shelter
    Patent number: 5737784
    Abstract: A bed frame to protect a person during a calamity is constructed from generally horizontal upper and lower subassemblies secured to two generally vertical end supporting subassemblies. The subassemblies are secured together by internal securing devices to resemble a conventional bed, and the entire assembly is secured to a supporting surface by further securing devices held internally of the two generally vertical end supporting assemblies.
    Type: Grant
    Filed: February 3, 1997
    Date of Patent: April 14, 1998
    Inventor: Douglas S. Jackman