Patents by Inventor Thomas B. Higerd

Thomas B. Higerd 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).

  • Immunosuppressive extracellular product from oral bacteria
    Patent number: 4268434
    Abstract: Extracellular products of oral bacteria have been isolated and have been found to have immunosuppressive activity. Genus Streptococcus and genus Actinomyces are preferred, particularly Streptococcus mutans, Streptococcus intermedius, Streptococcus salivarius, Actinomyces viscosus and Actinomyces naeslundii.
    Type: Grant
    Filed: January 9, 1979
    Date of Patent: May 19, 1981
    Inventors: Thomas B. Higerd, Jean-Michel C. Goust