Patents by Inventor Ian M. Duncan

Ian M. Duncan 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).

  • Application for biologically active substance
    Patent number: 5325814
    Abstract: The invention provides a device adapted to apply a chemical to an animal requiring treatment with that chemical. In particular the device applies a parasiticide such as "Pouron" to the animal which is attracted to the device by feed or a lick in a container associated with the device, the device being activated by movement thereof resulting from contact with the animal or wind.
    Type: Grant
    Filed: March 9, 1993
    Date of Patent: July 5, 1994
    Assignee: Agricura (Private) Limited
    Inventor: Ian M. Duncan