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 ES103770ApriorityCriticalpatent/ES103770A1/en
Publication of ES103770A1publicationCriticalpatent/ES103770A1/en
ES103770A1927-07-181927-07-18
A procedure for the reception of telephone transmissions in loudspeaker and phonographic printing thereof.
ExpiredES103770A1
(en)