Patents by Inventor Charles A. Curwick

Charles A. Curwick 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).

  • Method of recycling liquified gas tanks and animal feeder made thereby
    Patent number: 5307760
    Abstract: A method of recycling refrigerant or the like tanks to construct animal feeders. The animal feeders include the tanks as feed hoppers and provide a feeding dispensing mechanism which permits adjusting the amount of feed dispensed from the hopper. The tanks can also be recycled by making guards for the animal feeders to prevent small animals such as squirrels or the like from gaining access to feed in the feeders.
    Type: Grant
    Filed: May 13, 1992
    Date of Patent: May 3, 1994
    Assignee: Bradigan Wildlife Feeds, Inc.
    Inventors: Brad A. Madigan, Susan M. Madigan, Charles A. Curwick