Patents by Inventor Helge A. W. Axryd

Helge A. W. Axryd 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: 4021962
    Abstract: A toy comprising a track and an article movable along a predetermined path capable of reciprocable movement by means of a driving means provided with longitudinally interspaced projections to engage projecting carrier pins on the movable article to be propelled.
    Type: Grant
    Filed: December 11, 1975
    Date of Patent: May 10, 1977
    Inventor: Helge A. W. Axryd