Patents by Inventor John T. Walker, Jr.

John T. Walker, 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).

  • Adjustable back plate for a mold
    Patent number: 5474438
    Abstract: An adjustable back plate for a mold including a mold body block and a neck block, the adjustable back plate including a pocket in the back plate for aligning an oversized neck block with the mold body block and a neck block adjustment mechanism which operates in the pocket to align an undersized neck block with the mold body block.
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: December 12, 1995
    Inventor: John T. Walker, Jr.