Patents Assigned to Guhring, Inc.
  • Drill with novel insert
    Patent number: 4676702
    Abstract: An insert for a drill including a carbide body having a generally polygonal perimeter with three pairs of sides, the sides of each pair being of an equal length.
    Type: Grant
    Filed: June 11, 1986
    Date of Patent: June 30, 1987
    Assignee: Guhring, Inc.
    Inventor: Joseph Reinauer