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
CA705722A
Inventor
C. Boteler William
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.)
Puritan Compressed Gas Corp
Original Assignee
Puritan Compressed Gas Corp
Publication date
Application grantedgrantedCritical
Publication of CA705722ApublicationCriticalpatent/CA705722A/en