Apparatus for correcting tongue thrust problems
United States Patent 3259129
Inventors:
William, Tepper Harry
Publication Date:
07/05/1966
Assignee:
William, Tepper Harry
Other Classes:
607/75, 607/58, 433/6
International Classes:
A61B5/053; A61C7/00; A61F5/58; A61N1/05