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
CA836875A
Inventor
A. S. Samuelson Knut
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.)
Licentia Ekman and Brundin Firma
Original Assignee
Licentia Ekman and Brundin Firma
Publication date
Application grantedgrantedCritical
Publication of CA836875ApublicationCriticalpatent/CA836875A/en