Patents Assigned to Francesco Giannella
  • Support device for a dentist's drill
    Patent number: 5575646
    Abstract: A support device for a dentist's drill comprising a support, an articulated arm comprising two articulated quadrilateral devices disposed in series with one another, and an adjustment device operable to vary the direction of the working axis of the drill. The support is provided with a fixing device for connecting it to a seat back of a dentist's chair and the articulated arm can assume a working condition in which the two articulated quadrilateral devices are disposed at 90.degree. to one another.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: November 19, 1996
    Assignees: Gianni M. Giannella, Francesco Giannella
    Inventor: Gianni M. Giannella