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Title:
Therapeutic treatment of disorders of speech, particularly rhotacism and sigmatism
United States Patent 3401685
Inventors:
Olga, Staub
Application Number:
US50842365A
Publication Date:
09/17/1968
Filing Date:
11/18/1965
Assignee:
OLGA STAUB
Primary Class:
Other Classes:
434/185
International Classes:
A61F5/58
View Patent Images:
US Patent References:
3104405Tooth brush actuating mechanism1963-09-24
3014286Guide to language study1961-12-26
2912976Massage apparatus1959-11-17
2549398Speech correction device1951-04-17
2141304Dental vibrator1938-12-27
Foreign References:
GB169217A1921-09-09