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
CA704822A
Inventor
Schulte Richard
Klostermann Helmut
Beermann Paul
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.)
RICHARD RINKER
Original Assignee
RICHARD RINKER
Publication date
Application grantedgrantedCritical
Publication of CA704822ApublicationCriticalpatent/CA704822A/en