Similar, Past Inventions

 

H.H.Beltz
ANTI-THUMB SUCKING APPLIANCE
Application filed December 1926
Patented October 1929

 
R.L.Jackson
THUMB GUARD
Patented October 1915
S.J.Krygier
THUMB SUCKING PREVENTER
Application filed January 1967
Patented May 1969
J.M.Mitchell
THUMB & FINGER SUCKING PREVENTER
Application filed December 1911
Patented December 1912

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