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| Number | Title | Issue Date |
| 7097543 | Burr removal apparatus Apparatus for removing a burr from an aperture in a workpiece, using a rotating deburring tool having a flexible or partly flexible shaft, an abrasive mechanism that rotates on the shaft and a collar that protects the workpiece from abrasion when the abrasive mechan... | 08/29/2006 |
| 6846226 | Burr removal apparatus Apparatus for removing a burr from an aperture in a workpiece, using a rotating deburring tool having a flexible or partly flexible shaft, an abrasive mechanism that rotates on the shaft and a collar that protects the workpiece from abrasion when the abrasive mechan... | 01/25/2005 |
| 6386959 | Feeding system for electro-chemically polishing contact tips Electro-chemical polishing of fine wire contacts is facilitated by welding the wire contacts to a mounting element on a continuous, flexible, metal strip. The assembled contact strip is wound on a spool and transported to the electro-chemical polishing si... | 05/14/2002 |
| 4843766 | Cutting tool having concentrically arranged outside and inside abrasive grain layers and method for production thereof A cutting tool comprising a supporting base and an outside and an inside abrasive grain layer projecting concentrically from the supporting base in a radially spaced relationship, and a method for its production. The outside and inside abrasive grain laye... | 07/04/1989 |
