Patents by Inventor Albert William Ferrin

Albert William Ferrin 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: 4013171
    Abstract: A card selector which comprises a cradle for receiving an assemblage of cards and with a mechanism for effecting vibratory movement of said cradle. The cards useful with said machine are provided with information receiving zones and with there being marginal perforations corresponding to such zones; those perforations relating to said zones having data entered therein opening through the adjacent edge of the card by means of a recess. Rigid elongated members are provided for extension through the aligned perforations along one margin of the cards in an assemblage thereof for suspendingly supporting same within said cradle whereby upon vibration of said cradle cards having the engaged perforations opening through the adjacent margin separate from the assemblage by freely dropping into the lower portion of said cradle.
    Type: Grant
    Filed: January 2, 1976
    Date of Patent: March 22, 1977
    Assignee: A. W. Ferrin, Beatrice Ferrin, Donald H. Stephen, Trustees of the Lectrojog Company, Trust U/A dated 1/1/74
    Inventors: Albert William Ferrin, John G. Callos