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.)
Expired
Application number
CA816993A
Inventor
Hetzel Max
Robe? Henri
Harin? Henri
Frossa? Remy
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.)
Centre Electronique Horloger SA
Original Assignee
Centre Electronique Horloger SA
Publication date
Application grantedgrantedCritical
Publication of CA816993ApublicationCriticalpatent/CA816993A/en