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
CA 51177
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.)
KARL ERIK VESTERBERG
KUNO HOLMGREN
Original Assignee
KARL ERIK VESTERBERG
KUNO HOLMGREN
Publication date
Priority to CA 51177priorityCriticalpatent/CA51177S/en
Application grantedgrantedCritical
Publication of CA51177SpublicationCriticalpatent/CA51177S/en