Patents by Inventor Fardad Kazemzadeh

Fardad Kazemzadeh 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).

  • Method and apparatus for automatic generation of telephone call blocking signals
    Patent number: 5642414
    Abstract: A method and apparatus for generating a telephone Call Blocking Code and outputting the telephone Call Blocking Code on a telephone line each time a telephone off-hook condition is detected or, alternatively, by pressing the first digit of the telephone number to be called. This provides an All Blocking feature for the telephone by automatically generating a blocking code signal before every outgoing call from the telephone.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: June 24, 1997
    Inventor: Fardad Kazemzadeh