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 37679
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.)
ALAN ELFSTROM
KARL HUGO MAMGREN
Original Assignee
ALAN ELFSTROM
KARL HUGO MAMGREN
Publication date
Priority to CA 37679priorityCriticalpatent/CA37679S/en
Application grantedgrantedCritical
Publication of CA37679SpublicationCriticalpatent/CA37679S/en