Patents by Inventor Silva L. J. Clark

Silva L. J. Clark 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).

  • Electrical outlet adaptor device
    Patent number: 8118616
    Abstract: An adaptor device for an electrical outlet featuring a base plug unit having standard electrical outlet components; three standard slots disposed in the front surface of the base plug unit and two standard prongs disposed in the back surface of the base plug unit, the slots and prongs are configured opposite each other in orientation; two side plugs pivotally attached to the sides of the base plug unit, each side plug having slots identical to those of the base plug unit, wherein the side plug units can pivot to a pivot angle with respect to the base plug unit.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: February 21, 2012
    Inventor: Silva L. J. Clark
  • Electrical multi-plug adaptor
    Patent number: D636335
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: April 19, 2011
    Inventor: Silva L. J. Clark
  • Electrical plug adaptor
    Patent number: D636336
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: April 19, 2011
    Inventor: Silva L. J. Clark