Patents by Inventor Richard J. Hardie

Richard J. Hardie 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).

  • Magnetic retrieval device
    Patent number: 5810409
    Abstract: A magnet retrieval device having a tubular non-conducting body with two ends, each end having an end face. A permanent magnet is fixed in a first one of the ends of the tubular body so that the magnet does not project out from the tubular body. Furthermore, the magnet has an end face that is substantially flush with the end face of the first end of the tubular body.
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: September 22, 1998
    Inventor: Richard J. Hardie