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Individual
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Individual
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Priority to ES0020021UpriorityCriticalpatent/ES20021U/en
Publication of ES20021UpublicationCriticalpatent/ES20021U/en
For a supplementary device for telephone headsets, which is characterized by a kind of bowl with holes in the center of its flat part, of any suitable material and convenient shape, to be coupled to the headset of telephone sets, leaving a camera between the part flat of said bowl and the headset and to which chamber has input, laterally, a flexible tube terminated in a curved or curved piece, whose final end affects the shape of olive or analogous that allows to introduce it in the ear. (Machine-translation by Google Translate, not legally binding)
ES0020021U1949-05-191949-05-19Supplementary device for telephone headsets (Machine-translation by Google Translate, not legally binding)
PendingES20021U
(en)