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"The prime object of our present invention centers about the provision of an improved equipment associated with the mouth opening of dolls' heads embodying a movable tongue member which may be combined with a tooth member suspended for a vibratory movement at the said mouth opening and vibratingly operative at the mouth opening upon a slight movement imparted to the head when in erect or vertical position to simulate movements of the tongue resulting in creating the impression or effect of animated or mobile mouth organs." Whew! This patent was assigned to the Markon Manufacturing Co., Inc., of New York. 1930. Invented by Samuel Marcus and Alexander Konoff.