Patents by Inventor Donald R. Van Horn

Donald R. Van Horn 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: 4083421
    Abstract: A two speed motorcycle hub transmission in which the wheel may be driven at a one to one, or at a lower speed by a sliding clutch changing the drive from having the wheel locked to the drive shaft, to a planetary system the drive shaft driving the sun gear.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: April 11, 1978
    Inventors: Ronald L. Van Horn, Donald R. Van Horn, Roy B. Van Horn