Patents Assigned to Dental AB
  • Patent number: 4242088
    Abstract: Improved actuator for a control valve especially useful for a compressed air-operated dentist's drill comprises a foot actuated roller connected to provide axial movement through a screw threaded connection to a spring-biased valve control element.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: December 30, 1980
    Assignee: Dental AB
    Inventor: Bjorn Ekman