Patents by Inventor David I-Hung Shaw

David I-Hung Shaw 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: 8770424
    Abstract: A wall plate is disclosed for use with a switch that is mounted in a wall receptacle in a wall. A plate that is made from a transparent material has embedded therein a composition of powdered photoluminescent material. The plate includes a front surface, a back surface, and at least one aperture for accepting the switch therethrough and for mounting the plate. The back surface of the plate includes a recessed area for receiving a gasket configured to fit at least partially within the recessed area of the plate. The gasket further includes the apertures therethrough, coaligned with the apertures of the plate. Preferably the gasket is a white, closed-cell foam material.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: July 8, 2014
    Inventors: David I-Hung Shaw, Jane Kuo Shaw