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
CA622056A
Inventor
Hartmann Ludwig
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.)
Pellon Corp
Original Assignee
Pellon Corp
Publication date
Application grantedgrantedCritical
Publication of CA622056ApublicationCriticalpatent/CA622056A/en