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
CA913861A
Inventor
E. Curetti Glauco
A. Ackermann Ernest
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.)
Hayssen Manufacturing Co
Original Assignee
Hayssen Manufacturing Co
Publication date
Application grantedgrantedCritical
Publication of CA913861ApublicationCriticalpatent/CA913861A/en