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.)
Eppelsheimer William E
Original Assignee
Eppelsheimer William E
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eppelsheimer William EfiledCriticalEppelsheimer William E
Priority to ES7578ApriorityCriticalpatent/ES7578A1/es
Publication of ES7578A1publicationCriticalpatent/ES7578A1/es
Mejoras en montajes para facilitar la transmisión de señales por los pasajeros en los coches de ferrocarriles, a los conductores o guardas de los trenes.
Perfeccionamientos introducidos en los aparatos destinados a aumentar la seguridad de la circulación de los trenes sobre las líneas de los ferrocarriles.