Patents by Inventor Alethea F. Mackinnon

Alethea F. Mackinnon 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).

  • Touchpad jogger
    Patent number: 4951036
    Abstract: A touchpad jogger for emulating operator contact with a touchpad surface has a ball rotatably mounted at the end of a spring arm cantilever mounted to one end of an axle. A knob is fixedly mounted to the other end of the axle so that when the knob is rotated the ball is caused to roll across the touchpad surface to emulate operator contact. A plate through which the axle extends provides for attaching the touchpad jogger to a housing containing the touchpad surface.
    Type: Grant
    Filed: August 4, 1988
    Date of Patent: August 21, 1990
    Assignee: The Grass Valley Group, Inc.
    Inventors: James R. Grueter, Alethea F. Mackinnon