Patents by Inventor J. Allan Krul

J. Allan Krul 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).

  • Chucker and bar machine
    Patent number: D338476
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: August 17, 1993
    Assignee: Hardinge Brothers, Inc.
    Inventors: Glenn E. Greenall, R. Allington, Terrence M. Sheehan, J. Allan Krul