Patents by Inventor Paul A. Down

Paul A. Down 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).

  • Vacuum coating apparatus
    Patent number: 4693803
    Abstract: A vacuum coating apparatus has a housing defining a vacuum chamber in chamber which a working roll is disposed over which material to be processed can be drawn. The chamber is split into several sub-chambers by means of partitions and sputter metallizing sources and glow discharge units are disposed in the chambers. The partitions are adjustable and enable the disposition and function of the apparatus to be altered within the confines of the original apparatus design.
    Type: Grant
    Filed: March 27, 1985
    Date of Patent: September 15, 1987
    Assignee: General Engineering Radcliffe Limited
    Inventors: Frank Casey, Paul A. Downing
  • Pedal boat
    Patent number: D312239
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: November 20, 1990
    Inventor: Paul A. Down