Patents by Inventor Richard C. Riddell

Richard C. Riddell 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: 6012649
    Abstract: A lawn chemical distribution system that includes a housing with a protective cover and with an interior that includes numerous canister receiving cavities with canister piercing elements located at the bottom of each cavity which pierces the bottom of a chemical canister inserted therein. The canisters are secured together with a resilient harness that allows all the canisters to be replaced in the receiving cavities in a single motion and also allows a user to replace a single canister if desired. The multiple canisters contain either fertilizer, insecticide, herbicide, fungicide, or combinations thereof and may be activated by in line valves located within the system to add any of the chemicals contained within the canisters, in a metered amount, to an irrigation system that conveniently distributes the chemicals on a lawn or garden.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: January 11, 2000
    Inventors: Richard C. Riddell, Dorei G. Riddell