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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
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
Priority to BE537306DpriorityCriticalpatent/BE537306A/xx
Priority to US395559Aprioritypatent/US2798212A/en
Application filed by Automatic Electric Laboratories IncfiledCriticalAutomatic Electric Laboratories Inc
Priority to GB960355Aprioritypatent/GB771464A/en
Priority to FR1128535Dprioritypatent/FR1128535A/fr
Priority to DEA22506Aprioritypatent/DE1005129B/de
Publication of GB771464ApublicationCriticalpatent/GB771464A/en
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