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
CA828562A
Inventor
Rysti Alpo
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.)
Sateko Oy
Original Assignee
Sateko Oy
ALPO RYSTI
Publication date
Application grantedgrantedCritical
Publication of CA828562ApublicationCriticalpatent/CA828562A/en