Patents by Inventor Itzhak Hadad

Itzhak Hadad 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: 5189793
    Abstract: A cutlery piece has a food holding portion, a handle and an electronic device capable of generating light or sound. The electronic device comprises a light sensor in the food holding portion and upon receipt of an electric input from this sensor, after a period of darkness, the electronic device generates a transient light or sound signal.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: March 2, 1993
    Inventors: Eli Ratzon, Itzhak Hadad