Patents by Inventor Marcello R. Pizano

Marcello R. Pizano 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).

  • Triple NEMA-Standard power plug receptacle
    Patent number: 5322449
    Abstract: The combination of three NEMA-Standard receptacle patterns provides for a compact multi-purpose power receptacle. The triple NEMA-Standard receptacle reduces the need for different types of outlets and extension cords depending in the power plug on the electrical tool. A refined arrangement of contacts in the triple NEMA-Standard receptacle combines three types of interconnects in the space of one receptacle.
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: June 21, 1994
    Inventor: Marcello R. Pizano