Patents by Inventor Frederick S. Mayer

Frederick S. Mayer 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).

  • Preparation for hardening animal finger and toenail tissue and method
    Patent number: 3989817
    Abstract: Animal finger and toenails are hardened and toughened by treatment with walnut oil. The presence of a minor amount of iodide ion promotes the desired action. The application of the oil is conveniently effected by means of a neutral oleaginous carrier.
    Type: Grant
    Filed: April 14, 1972
    Date of Patent: November 2, 1976
    Inventor: Frederick S. Mayer