Patents Assigned to Roswitha Quetin
  • Device for the sharpening, grinding and polishing of dental, parodental and/or surgical instruments
    Patent number: 5295328
    Abstract: The disclosure is directed to a device for the sharpening, grinding and polishing of dental, parodental or surgical instruments, comprising a grinding body (48) with a grinding surface, said grinding body (48) being carried by a support structure (36) consisting of arms forming a rectangle, with the support structure (36) being arranged for rotation and the instrument (12) to be ground being clamped in a clamping means (28). The rotatable support structure (38) is displaceable relative to the clamping means (28).
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: March 22, 1994
    Assignee: Roswitha Quetin
    Inventor: Kurt Olbrich