Patents by Inventor Tapio Hynninen

Tapio Hynninen 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).

  • Plant shoe
    Patent number: 6412217
    Abstract: A shoe (1) for use at the roots of a planted seedling or a natural seedling, made of mouldering material and having a hole (4) for the plant stem in its center and a slit (3) between the hole and the shoe edge. The shoe (1) is made convex and the convex portion has grooves (2), cavities or pockets to collect materials.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: July 2, 2002
    Inventor: Tapio Hynninen