Patents by Inventor Roland S. Grimes, Sr.

Roland S. Grimes, Sr. 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).

  • Irrigation systems
    Patent number: 4453343
    Abstract: A receptacle for holding water and other nutrients a portion of which is adapted to be placed below grade for irrigating plants, and includes apertures in the bottom of the receptacle to allow the slow migration of liquids outwardly therefrom and a lid on a top face suitably formed to prevent evaporation, the apertures provided with a semispherical cap to prevent fouling.
    Type: Grant
    Filed: April 8, 1983
    Date of Patent: June 12, 1984
    Inventor: Roland S. Grimes, Sr.