Patents by Inventor Ping K. To

Ping K. To 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).

  • Musical adapter for nursing bottle
    Patent number: 4898060
    Abstract: A musical adapter for use with a nursing bottle comprising an upper portion and a lower portion, which two portions being detachably joined together to form a single body. An electronic muscial device of integrated circuits is disposed in the interior space of the lower portion and is capable of producing a melodious tune upon the bottle being lifted or tipped up.
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: February 6, 1990
    Inventor: Ping K. To