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.)
British Radio Telegraph And Telephone Co Ltd
Original Assignee
British Radio Telegraph And Telephone Co Ltd
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 British Radio Telegraph And Telephone Co LtdfiledCriticalBritish Radio Telegraph And Telephone Co Ltd
Priority to ES49052ApriorityCriticalpatent/ES49052A1/es
Publication of ES49052A1publicationCriticalpatent/ES49052A1/es
ES49052A1910-10-061910-10-06Perfeccionamientos en los medios para la transmisión y la recepción de señales por telegrafía o telefonía sin alambres.
ExpiredES49052A1
(es)