Patents by Inventor Martin Feinberg

Martin Feinberg 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).

  • Security telephone
    Patent number: D259043
    Type: Grant
    Filed: June 14, 1978
    Date of Patent: April 28, 1981
    Assignee: International Telephone and Telegraph Corporation
    Inventors: Martin Feinberg, John De filippis, Ting W. Wong
  • Phone book telephone
    Patent number: D260992
    Type: Grant
    Filed: August 9, 1978
    Date of Patent: September 29, 1981
    Assignee: International Telephone and Telegraph Corporation
    Inventors: Martin Feinberg, William G. MacKenzie