Patents by Inventor Hans E. I. Jernstrom

Hans E. I. Jernstrom 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).

  • Action toy requiring space perception and eye/hand coordination
    Patent number: 4323238
    Abstract: A toy has an enclosure pierced by a plurality of holes, each hole being in the shape of a distinctive geometry. A plurality of blocks are shaped to pass through only individually associated ones of the holes. Inside the housing, a balanced panel receives the blocks as they pass through the holes. When the cumulative weight of all blocks on the panel equals or exceeds a spring bias, the balance panel tips and performs a surprise function. In the disclosed embodiment, the surprise is a toy cow popping through a door and the blocks discharged out the back is both a surprise and a reward.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: April 6, 1982
    Assignee: Jernstrom Design Workshop, Inc.
    Inventors: Hans E. I. Jernstrom, Thomas L. Long, Ronald Liedtke