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
CA877336A
Inventor
Nordal Vegard
Haavaldsen Johan
G. Haugen Leif
Salvesen Sigbjorn
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.)
Nyegaard and Co AS
Original Assignee
Nyegaard and Co AS
Publication date
Application grantedgrantedCritical
Publication of CA877336ApublicationCriticalpatent/CA877336A/en