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
CA612392A
Inventor
Pizzarotti Pietro
Antonucci Camillo
Leoncini Giovanni
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.)
IMPRESA PIZZAROTTI AND C Srl
Original Assignee
IMPRESA PIZZAROTTI AND C Srl
Publication date
Application grantedgrantedCritical
Publication of CA612392ApublicationCriticalpatent/CA612392A/en