Patents by Inventor Courtland P. Gill

Courtland P. Gill 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: 4253254
    Abstract: A device for producing sound, wherein the device is adapted to be mounted to the inner surface or the heel rest of a shoe or sandal, and is formed having a main body member with a recess disposed therein, the recess being covered to define a chamber having a noisemaker associated with the chamber, whereby sound is produced as the wearer walks and transfers weight from one foot to the other, thus activating the noisemaker to produce a squeaking or clicking sound.
    Type: Grant
    Filed: January 31, 1980
    Date of Patent: March 3, 1981
    Inventor: Courtland P. Gill