Patents by Inventor William F. Harkins

William F. Harkins 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: 5045014
    Abstract: A toy displaying erratic and unpredictable motion for the amusement and fascination of people and pets includes a spherical casing, a battery operated motor having a drive shaft and associated rechargeable battery enclosed within the casing, a flickering element, and means for operably attaching the flickering element to the drive shaft so that the flickering element protrudes from the casing and rotates when the motor is operated. When the flickering element rotates, the casing rotates responsively, thereby causing the toy to move or roll in unpredictable directions, thus providing a source of amusement for people and pets.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: September 3, 1991
    Inventor: William F. Harkins