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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0007870UpriorityCriticalpatent/ES7870Y/en
Publication of ES7870UpublicationCriticalpatent/ES7870U/en
Application grantedgrantedCritical
Publication of ES7870YpublicationCriticalpatent/ES7870Y/en
Typewriter postcard in which the address and text can be continuously written without removing the card from the machine or turning it characterized because a part of the normal-size card intended to carry the address is folded towards the front by a line previously prepared while writing the address straightening again after writing the address the folded part and can then write continuously the text on its back and on that of the unfolded part of the card. (Machine-translation by Google Translate, not legally binding)
ES0007870U1942-10-301942-10-30
Postcard for typewriter.
ExpiredES7870Y
(en)
A new form of collections of cards applicable to teaching as a powerful teacher assistant and text (Machine-translation by Google Translate, not legally binding)
A system of letters and numbers of the numbering system, in its different characters, for the learning of reading and writing in children (Machine-translation by Google Translate, not legally binding)