Patents by Inventor Donald J. Sabol

Donald J. Sabol 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: 4121940
    Abstract: An endodontic formula for continuous medication of root canals is provided comprising zinc oxide, titanium oxide, paraformaldehyde, vitreous carbon, hydrocortisone, and prednisolone, all of which may be mixed with a eugenol liquid for filling the root canal. Alternatively, the hydrocortisone and prednisolone may be omitted and the amount of zinc oxide may be used to take its place.
    Type: Grant
    Filed: February 24, 1977
    Date of Patent: October 24, 1978
    Inventors: George H. Michel, Donald J. Sabol