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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES12909ApriorityCriticalpatent/ES12909A1/es
Publication of ES12909A1publicationCriticalpatent/ES12909A1/es
Un procedimiento para hacer funcionar indistintamente las máquinas parlantes de cualquier sistema, por medio de la electricidad o por cuerda de resorte.