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
CA110,894A
Inventor
Erik S. Severinsson
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.)
SPS-VERKEN AB
Original Assignee
SPS-VERKEN AB
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 SPS-VERKEN ABfiledCriticalSPS-VERKEN AB
Application grantedgrantedCritical
Publication of CA942080ApublicationCriticalpatent/CA942080A/en