Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sebastian Grau Francisco De Paula
Original Assignee
Sebastian Grau Francisco De Paula
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Filing date
Publication date
Application filed by Sebastian Grau Francisco De PaulafiledCriticalSebastian Grau Francisco De Paula
Priority to ES50642ApriorityCriticalpatent/ES50642A1/es
Publication of ES50642A1publicationCriticalpatent/ES50642A1/es
ES50642A1911-05-291911-05-29Un procedimiento para la transformación de la sosa cáustica en tabletas que tienen la propiedad de no deshacerse.
ExpiredES50642A1
(es)
Un método, con los medios correspondientes, para detener los trenes en caso de peligro y para precaver cualquier descuido de los maquinistas o de los encargados de señales.