Patents by Inventor Lindsay I. Royston

Lindsay I. Royston 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: 4903884
    Abstract: Soldering apparatus of the kind having a replaceable tip element including a soldering face and having a frame portion and a tip retaining portion adapted to retain the tip element in heat conducting relationship with the frame portion. The soldering apparatus is characterized in that the frame portion incorporates a contact assisting formation adapted to embed itself at least partly into the tip element remote from the soldering face to thereby reduce electrical resistance between the tip element and frame.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: February 27, 1990
    Assignee: Royel International Pty. Ltd.
    Inventors: Lindsay I. Royston, Ian M. Eastham