Patents by Inventor R. Andrew Norval

R. Andrew Norval 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).

  • Self-medicating applicator for controlling pests on animals
    Patent number: 5357902
    Abstract: The device is a self-medicating applicator that can be used for the treatment of animals with a pesticide for the control of pests, e.g., ticks and flies. The applicator device includes a feed bin, a reservoir for storage of the pesticide, and a porous column which passes through the pesticide reservoir and bait bin. Pesticide, drawn up the column by capillary action, is applied to the animal contacting the column while the animal is feeding from the bin.
    Type: Grant
    Filed: August 5, 1993
    Date of Patent: October 25, 1994
    Assignees: Old Dominion University, University of Florida
    Inventors: R. Andrew Norval, Martin I. Meltzer, Daniel E. Sonenshine, Michael J. Burridge