Patents by Inventor Robert E. Tomas

Robert E. Tomas 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: 5674539
    Abstract: A topical medication for the treatment of skin pathology including acne is comprised of tetracycline, minocycline, clindamycin, erythromycin, or doxicycline and selenium sulfide or sulfur in a pharmaceutically acceptable carrier. The lotion, cream or ointment is applied to the lesions, left in place briefly and washed off. This is repeated twice daily. The lesions generally clear up within a week. Because the treatment is local, the serious side effects of systemic administration of drugs is avoided.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: October 7, 1997
    Inventor: Robert E. Tomas