Patents by Inventor Michael O. Glasheen

Michael O. Glasheen 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).

  • Manipulative toy
    Patent number: 4325552
    Abstract: A manipulative toy comprising a number of spheres serially attached in a closed loop or open chain, each sphere being attached to the next at a fixed point on its surface by a connector which allows relative rotation of adjacent spheres about a common axis through their centres.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: April 20, 1982
    Inventor: Michael O. Glasheen