Patents by Inventor Mark J. Carminati

Mark J. Carminati 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).

  • Wrench
    Patent number: 4738168
    Abstract: An improved wrench which retains nuts and bolts for use in areas to which access is difficult or in which there is limited clearance. The wrench includes retaining apparatus for holding a nut or bolt in place, which apparatus is internally located in the closed end of the box wrench. The retaining apparatus is slidingly mounted so it automatically adapts itself to the particular face or side of the wrench being used.
    Type: Grant
    Filed: August 12, 1986
    Date of Patent: April 19, 1988
    Inventor: Mark J. Carminati