Patents by Inventor Merry Jo Anne Mahan

Merry Jo Anne Mahan 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).

  • Multi-dimensional puzzle
    Patent number: 6293547
    Abstract: A multi-dimensional puzzle for a way to relieve stress and to provide entertainment. The multi-dimensional puzzle includes a cylindrical base member having lateral slots and a longitudinal slot and a bore; two tubular members also having two lateral slots and a longitudinal slot and a bore; two planar members each having two slots; an arcuate plate member having two slots; three arcuate pieces one of which has a longitudinal slot; and three slot-filling members. All of the pieces and members are placed in such a way to form a solid cylindrical structure.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: September 25, 2001
    Inventors: John R Shaw, Merry Jo Anne Mahan