Patents by Inventor Robert C. Rohrborn

Robert C. Rohrborn 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).

  • Vented plant dome
    Publication number: 20020134010
    Abstract: An environment-controlling, plant-growing apparatus has a cover with a lower cylindrical portion and a top semi-spherical portion having at least one vent opening therein, and a top lid portion rotatably connected to the top semi-spherical portion. The top lid portion has a shape similar to that of the top semi-spherical portion and is sized to allow variable rotational adjustment of the aperture size of the vent opening.
    Type: Application
    Filed: March 22, 2001
    Publication date: September 26, 2002
    Inventors: Robert C. Rohrborn, Jose Franco