Patents Assigned to Tri-Tool & Die Co.
  • Unitary internal/external extension plate for a jig grinder
    Patent number: 5707277
    Abstract: A single unitary reversible precision tool accessory for a jig grinder constituted by a extension plate which extends selectively either the internal or the external grinding capacities of a jig grinder machine.
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: January 13, 1998
    Assignee: Tri-Tool & Die Co.
    Inventor: Paul Jakubowski