Patents by Inventor David K. Howard

David K. Howard 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).

  • Monoclonal antibodies which differentiate between native and modified porcine somatotropins
    Patent number: 5266477
    Abstract: Monoclonal antibodies are provided which differentiate between native and modified sequence proteins. Also provided are methods for using monoclonal antibodies to determine the relative amount of native and modified sequence proteins in a sample.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: November 30, 1993
    Assignee: Pitman-Moore, Inc.
    Inventors: David K. Howard, Anne M. Gill
  • Synergistic immunostimulating composition and method
    Patent number: 4938956
    Abstract: The known immunostimulants FK-565 and IL-2 are administered to animals in conjunction to synergistically stimulate the immune system.
    Type: Grant
    Filed: April 1, 1987
    Date of Patent: July 3, 1990
    Assignee: International Minerals & Chemical Corp.
    Inventors: David K. Howard, Ellen R. Clough, Anthony F. Abruzzini, Paula Myers-Keith