Patents by Inventor Avery J. Roy

Avery J. Roy 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).

  • Footwear display device
    Patent number: 5457900
    Abstract: A piece of footwear (12) includes a stroboscopic display device (10). The display device (10) includes a plurality of light emitting diodes (LEDs) (14) along a single array. The plurality of LEDs 14 are strobed or switched on and off through a set non-random fashion such that the plurality of LEDs (14) display a two-dimensional graphic image when the footwear (12) is moved through a step. A control (16) calculates the velocity of the step to determine the rate at which the LEDs (14) are to be strobed.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: October 17, 1995
    Inventors: Avery J. Roy