Patents by Inventor Frank L. Johnson

Frank L. Johnson 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: 5499689
    Abstract: An adjustable apparatus for mounting a rear axle to a motorcycle frame in a process of converting a two wheel motorcycle to a three wheel motorcycle includes a pair of mounting plates to be connected to the rear axle, a pair of mounting arms to be connected between the mounting plates and the original motorcycle frame, and adjustable connecting joints to be disposed between the mounting arms and the mounting plates and between the mounting arms and the original motorcycle frame. The alignment of the rear axle relative to the longitudinal axis and line of travel of the motorcycle may be adjusted by adjusting the connecting joints to effectively shorten or lengthen the effective length of the mounting arms.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: March 19, 1996
    Inventor: Frank L. Johnson
  • Patent number: 5080426
    Abstract: The present invention provides a compact tent trailer of suitably small dimension and low weight to be effectively towed by a motorcycle or small automobile, with a fold-out tent to form an enclosure of sufficient size to comfortably accommodate at least two adults. The trailer portion of the invention includes a storage compartment adapted to be accessible from within the erected tent enclosure as well as from the exterior of the tent trailer with the tent enclosure collapased thereon. The tent enclosure portion of the invention includes a dressing area with a floor frame flexibly connected to the trailer portion to allow erection of the tent enclosure upon uneven ground surfaces, and further provides for easy access to a storage compartment disposed on the trailer portion exterior to the tent enclosure.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: January 14, 1992
    Inventor: Frank L. Johnson