Patents Assigned to Dental Preventech, Inc.
  • Device for cleaning teeth to prevent the formation of plaque
    Patent number: 4550741
    Abstract: Presented is a device utilizing a thread-like member for "flossing" teeth to dislodge and remove adherent material that may develop into plaque.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: November 5, 1985
    Assignee: Dental Preventech, Inc.
    Inventor: Mark D. Krag