Patents by Inventor Arthur W. Stevens

Arthur W. Stevens 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).

  • File
    Patent number: 4661006
    Abstract: A file cover has paper-penetrating prongs which are secured in the assembly by engagement with a mounting channel and at least one of which is slidable along the channel whereby the spacing between them is infinitesimally adjustable. A retainer for each prong is preferably an apertured block borne by a parallel channel member, at least one of the blocks being slidably movable in the parallel channel member.
    Type: Grant
    Filed: January 15, 1986
    Date of Patent: April 28, 1987
    Inventor: Arthur W. Stevens