Patents by Inventor Charles Barker, III

Charles Barker, III 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: 4866764
    Abstract: A telephone has a first keypad provided with conventionally numbered touch tone keys. A second keypad has a plurality of transparent keys, each provided with a slot for the insertion of a small picture or symbolic representation. Optical fiber may be embedded in each of the transparent keys for illuminating the pictures. The telephone is provided for use with a conventional handset or as a speaker phone. Each of the keys in the second keypad are connected to actuate the speaker phone section of the telephone. The keys of the second keypad are each associated with a memory for the assignment of a telephone number associated with the picture or symbolic representation inserted within the key slot. A large emergency 911 key is also provided. The telephone is designed for use by small children.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: September 12, 1989
    Inventor: Charles Barker, III