Patents Assigned to ProQual, LLC
  • Tool for removing screws with damaged heads
    Patent number: 6761089
    Abstract: A double-ended hexagonal shank tool bit for extracting Phillips head or similar screws with damaged heads. One end of the tool shapes the screw head recess to a flared opening. The other end of the tool is tapered with left-hand screw threads and diametrically opposite longitudinal gashes arranged to enable the tool to engage the sides of the shaped recess and remove the screw.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: July 13, 2004
    Assignee: ProQual, LLC
    Inventor: Peter J. Bergamo