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ES189557A1
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Two-time internal explosion or combustion engine
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ES179817A1
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Procedure for manufacturing screws with the postiza head
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ES167945A1
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Improvements in the construction of electric motors
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US2401662A
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Electric motor
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ES162048A1
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Improvements in electrical engines
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US2367428A
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Method of manufacturing stators for electrical machines
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ES157919A1
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Improvements in the construction of rotors for electrical machines
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ES157913A1
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Improvements in the construction of stators for electric machines
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ES140674A1
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Improvements in the explosive and two-stroke combustion engines.
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ES131465A1
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A procedure for the manufacture of automatic switches, without float, for the electric pumps.
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