Patents by Inventor Christopher L. Harrigan

Christopher L. Harrigan 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: 6015129
    Abstract: An adjustable, portable platform for supporting and holding written materials or the like in a selectable position convenient to the user is disclosed. The platform comprises a central member and a pair of laterally movable frame members disposed on each side of the central member. A pair of panels are pivotally attached at a proximal end thereof to the platform proximate the central member substantially between the upper and lower transverse sections, with retaining means thereon for securely retaining the written materials or the like in a secure position on the panels. Attachment means on the pivotable panels allow the pivotable panels to be adjustably attached to the frame members to accept and adapt to the written materials.
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: January 18, 2000
    Inventor: Christopher L. Harrigan