Patents by Inventor William G. Barfield

William G. Barfield 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).

  • System for supplying liquids to potted plants
    Patent number: 4183176
    Abstract: There is disclosed a system for supplying liquids to potted plants through feeder conduits fluidly connecting with the lower ends of the plants and leading from a main distribution conduit to which the liquid is admitted from a water main or other pressurized source.
    Type: Grant
    Filed: July 12, 1978
    Date of Patent: January 15, 1980
    Inventor: William G. Barfield