Patents Assigned to Mid-West Screw Products, Inc.
  • Collet head
    Patent number: D451112
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: November 27, 2001
    Assignee: Mid-West Screw Products, Inc.
    Inventor: Stanley Trybula
  • Collet head
    Patent number: D455162
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: April 2, 2002
    Assignee: Mid-West Screw Products, Inc.
    Inventor: Walter E. Lisowski
  • Collet head
    Patent number: D455766
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: April 16, 2002
    Assignee: Mid-West Screw Products, Inc.
    Inventor: Walter E. Lisowski