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
CA662769A
Inventor
Pickman Edgard
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.)
Compagnie Internationale des Pieux Armes Frankignoui SA
Original Assignee
Compagnie Internationale des Pieux Armes Frankignoui SA
Publication date
Application grantedgrantedCritical
Publication of CA662769ApublicationCriticalpatent/CA662769A/en