Patents by Inventor Herbert G. Sandefur

Herbert G. Sandefur 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: 4179840
    Abstract: An insecticide containing insect attracting and exterminating drum is provided with structure for suspending the drum from the neck of a domestic animal or other suitable support structures. The drum includes an upwardly opening generally cup-shaped receiver closed at its bottom by a rigid fine mesh insect feeding and air circulating screen. A vertically upwardly and downwardly opening tubular insecticide container is mounted within the receiver with at least peripherally spaced wall portions of the container spaced inwardly from corresponding wall portions of the receiver and the lower end of the container formed integrally with the air circulating screen. In addition, certain peripherally spaced portions of the receiver are formed integrally with corresponding wall portions of the receiver and in this manner the receiver, air circulating screen and container coact to reinforce each other.
    Type: Grant
    Filed: July 6, 1977
    Date of Patent: December 25, 1979
    Assignees: Kenneth Kienzle, Jr., Gary Jay, John L. Clifton, Joe B. Womack
    Inventor: Herbert G. Sandefur