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.)
AMERICAN AUTOMATIC TELEPHONE C
Original Assignee
AMERICAN AUTOMATIC TELEPHONE C
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 AMERICAN AUTOMATIC TELEPHONE CfiledCriticalAMERICAN AUTOMATIC TELEPHONE C
Application grantedgrantedCritical
Publication of FR417146ApublicationCriticalpatent/FR417146A/fr