Patents by Inventor Steven P. Hartley

Steven P. Hartley 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 continuous electroplating and continuous electroplating machine for printed circuit board terminals
    Patent number: 4155815
    Abstract: A continuous plating machine using a cooperating pair of endless tractor tread conveyor means to transport printed circuit boards through a plurality of process stations to complete stripping, cleaning, activation, plating and intermediate rinse cycles of the board terminals. The PC boards are captured between the opposing treads or shoes which serve as a masking means to protect the portions of the boards that don't require plating. The boards are electrically connected back through the conveyor means to the electrical current source.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: May 22, 1979
    Inventors: William L. Francis, William L. Renshaw, Steven P. Hartley