Patents by Inventor Stephen Anthony Johnson

Stephen Anthony Johnson 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).

  • Solder recovery method and apparatus
    Patent number: 5755889
    Abstract: Apparatus and a method for recovering solder from dross. Dross is poured into a heated chamber (1). The heated dross is then compressed by a piston (21) to force good solder out of the dross into a collecting tray (17).
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: May 26, 1998
    Assignee: Apple House Elecronics Ltd.
    Inventor: Stephen Anthony Johnson