Patents by Inventor Frank Denton

Frank Denton 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).

  • Universally adjustable copyholder
    Patent number: 5297768
    Abstract: A copyholder holds a sheet of paper in a predetermined position at a convenient work angle for viewing by a user and is easily attachable to and removable from a variety of work surfaces. The copyholder comprises front and rear elongated members, a base, fastening elements for supporting the elongated members upon the base, and several different mechanisms for providing movement to the copyholder in six different degrees of freedom for adjusting its position.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: March 29, 1994
    Assignee: Frank Denton
    Inventor: Frank Denton