Patents by Inventor Carlo G. Monticolombi

Carlo G. Monticolombi 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: 4805910
    Abstract: A toy or plaything in the form of a puzzle comprises a first member, and a second member constituting a housing within which the first member is rotatably mounted. The second member is such that access is provided to the first member to enable manual rotation thereof. A peg is mounted on one of said members and a maze is defined in a surface of the other of the first and second members, the peg engaging the maze such that upon selectively rotating the first member within the second member the peg is caused to move through the maze. There is further provided means to indicate when the peg is at a predetermined destination in the maze.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: February 21, 1989
    Assignee: Carlo Geoffrey Richard Monticolombi
    Inventors: Carlo G. Monticolombi, James M. Norris