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
CA904130A
Inventor
Leon J. Knox, Jr.
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.)
CALIFORNIA TUBE PRODUCTS
Original Assignee
CALIFORNIA TUBE PRODUCTS
Publication date
Application grantedgrantedCritical
Publication of CA904130ApublicationCriticalpatent/CA904130A/en