Patents by Inventor Donald W. Mason

Donald W. Mason 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).

  • Antigen-antibody conjugates
    Patent number: 5620686
    Abstract: Diseases attribute to a predominantly cell-mediated immune response, notably autoimmune diseases, can be suppressed by administering a novel conjugate of an appropriate antigen, notably an autoantigen, with antibody to an appropriate B cell surface molecule, such as IgD.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: April 15, 1997
    Assignee: British Technology Group Limited
    Inventor: Donald W. Mason
  • Portable cooler with retractable wheels
    Patent number: 4846493
    Abstract: A portable cooler includes a pair of wheels which are retractable into a pair of recesses in the main body of the cooler. The wheels pivot on frames which are connected by a horizontally-oriented rod, the rod being lockable in hook members in a retracted position and in an operable position. An extendable handle is attached to the forward end of the cooler to pull the cooler along the ground on its wheels.
    Type: Grant
    Filed: October 26, 1987
    Date of Patent: July 11, 1989
    Inventor: Donald W. Mason