Patents Assigned to Growth and Development Research, Inc.
  • Orthodontic appliance
    Patent number: 4424032
    Abstract: An orthodontic appliance for jaw correction comprises positioning structure operatively disposed between the upper and lower sets of teeth for correcting the condition. The invention relates to improvements operatively relating the positioning structure to the respective sets of teeth.
    Type: Grant
    Filed: October 26, 1981
    Date of Patent: January 3, 1984
    Assignee: Growth and Development Research, Inc.
    Inventor: Raymond P. Howe