Patents by Inventor William Van Ewijk

William Van Ewijk 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).

  • Therapeutic treatment of horses
    Patent number: 4265902
    Abstract: Therapeutically treating horses suffering from tail and mane eczema by systemically administering to said horses a small but effective amount of allantoin.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: May 5, 1981
    Assignee: Tetra Consultants, Inc.
    Inventor: William Van Ewijk