Patents by Inventor Cengiz Rifat

Cengiz Rifat 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: 5931677
    Abstract: An educational globe-shaped tool is provided including a rigid sphere having a plurality of bores formed therein each with a lamp and a switch associated therewith which generates an activation signal when closed. A plurality of country pieces each having an outboard portion with a periphery shaped as a unique country. Each country piece further has a post for being removably coupled with an associated one of the bores for closing the switch thereof. Control circuitry is connected between each of the switches and the lamps. Such control circuitry is adapted to illuminate one of the lamps upon the receipt of an associated activation signal.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: August 3, 1999
    Inventors: Cengiz Rifat, Louise Clifford