Patents by Inventor Robert L. Stever

Robert L. Stever 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: 4194690
    Abstract: A device for controlling pests on house plants comprises a convex cap having a chamber containing a pesticide, a stem for supporting the cap adjacent a plant, and a removeable closure for the chamber to afford air flow through the chamber to distribute the pesticide about the plant.
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: March 25, 1980
    Inventors: Carole A. Stever, Robert L. Stever