Punching Or Stamping Patents (Class D15/128)
  • Patent number: D245164
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: July 26, 1977
    Assignee: J. J. & M.
    Inventors: James E. Persik, Gerald E. Persik
  • Patent number: D253892
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: January 8, 1980
    Assignee: Custom Radius Corporation
    Inventor: Donald R. Humphreys