Patents by Inventor John R. Sipala

John R. Sipala 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).

  • Tree basket
    Patent number: 5090157
    Abstract: The present invention provides a durable tree basket having generally horizontally disposed rings connected by at least one pliable support. In a preferred embodiment of the present invention, the substantially horizontal rings are supported by removable slats, for example, made from wood lath.
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: February 25, 1992
    Inventor: John R. Sipala