Patents by Inventor Colin V. M. Simpson

Colin V. M. Simpson 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).

  • Electronic earring
    Patent number: 4337504
    Abstract: The present invention provides an electrical earring for use on a pierced ear. The arrangement comprises a portable, electrical power source connected to a load by a pair of electrical connectors. The arrangement is such that one of the electrical connectors is adapted to project through the earlobe to both close the electrical circuit and, in co-operation with the power source, provide a clip to secure the earring in place on the ear.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: June 29, 1982
    Inventor: Colin V. M. Simpson