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
CA634225A
Inventor
K. M. Kleine Werner
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.)
Gebrueder Heller GmbH
Original Assignee
Werner K M Kleine
Gebrueder Heller GmbH
Publication date
Application grantedgrantedCritical
Publication of CA634225ApublicationCriticalpatent/CA634225A/en