Patents by Inventor William C. Graham, Jr.

William C. Graham, Jr. 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).

  • Yard chemical dispensing apparatus
    Patent number: 6948663
    Abstract: A chemical distribution apparatus contains at least one, and preferably multiple chambers which house magazines which accept solid lawn treatment chemicals such as fertilizers, herbicides, fungicides, insecticides, lime treatments, pre-emergents, post-emergents, and the like. As water is passed into the chemical distribution apparatus, it is preferably selectively controlled by a controller to a particular chamber for distribution of a particular chemical in accordance with a pre-set schedule.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: September 27, 2005
    Inventors: William C. Graham, Jr., Annette Michelle Graham