Patents by Inventor Louis-Robert Chatelain

Louis-Robert Chatelain 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).

  • Device for the retention of water in flower containers
    Patent number: 3935672
    Abstract: The invention relates to a device within a container intended to receive earth and plants, which is constituted by a hollow body opened at each end, one of these ends comprising fixing means for the device onto the bottom of the container. In service position the hollow body surrounds the opening of the bottom of the container. The other end of the hollow body, distant from the bottom of the container, is provided with at least one opening.
    Type: Grant
    Filed: August 5, 1974
    Date of Patent: February 3, 1976
    Inventor: Louis-Robert Chatelain