Patents by Inventor Johnnie L. White, Jr.

Johnnie L. White, Jr. 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).

  • Multi-color engraving system
    Patent number: 4706565
    Abstract: A multicolor engraving system includes a plurality of identical engraving presses mounted in line in a common frame. Each press is hydraulically operated and includes a high speed hydraulic motor for reciprocating its shuttle assembly. A work transfer mechanism moves each workpiece sequentially to the presses and accurately aligns it with the die in each press.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: November 17, 1987
    Inventors: John Martin, Ronald W. White, Johnnie L. White, Jr.