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.)
BETULANDER AUTOMATIC TELEPHONE COMPANY Ltd
Original Assignee
BETULANDER AUTOMATIC TELEPHONE COMPANY 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 BETULANDER AUTOMATIC TELEPHONE COMPANY LtdfiledCriticalBETULANDER AUTOMATIC TELEPHONE COMPANY Ltd
Application grantedgrantedCritical
Publication of CA165501ApublicationCriticalpatent/CA165501A/fr