Patents by Inventor Carmine A. Marchetti

Carmine A. Marchetti 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: 4327611
    Abstract: A double end wrench having an elongated handle with a pivoted wrench head at each end, and a sliding sleeve which may be positioned to leave both wrench heads unaffected or may be slid to one end or the other of the wrench to lock the respective head in position, so that each wrench head is angularly adjustable.
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: May 4, 1982
    Inventors: Salvatore S. Catanese, Carmine A. Marchetti