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
CA608778A
Inventor
Sahlin Henry
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.)
SAHLIN ENGINEERING Co
Original Assignee
SAHLIN ENGINEERING Co
Publication date
Application grantedgrantedCritical
Publication of CA608778ApublicationCriticalpatent/CA608778A/en