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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES93302UpriorityCriticalpatent/ES93302Y/en
Publication of ES93302UpublicationCriticalpatent/ES93302U/en
Application grantedgrantedCritical
Publication of ES93302YpublicationCriticalpatent/ES93302Y/en
Double wrench for screws with hexagonal hollow head, essentially comprising a bar of round section, bent, square to form two unequal arms, each of which has at its end a prismatic spherical head of different size for tight introduction in different cavities belonging to the heads of the screws. (Machine-translation by Google Translate, not legally binding)
ES93302U1962-05-251962-05-25
Double hex head screw wrench
ExpiredES93302Y
(en)
Improvements in the construction of keys for nuts with automatic adaptation of key surfaces to nut heads of different dimensions (Machine-translation by Google Translate, not legally binding)