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
CA825464A
Inventor
H. Rossmann Rudolf
Strauss Edgar
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.)
Ruti Machinery Works Ltd
UTL Inc
Original Assignee
Ruti Machinery Works Ltd
UTL Inc
Publication date
Application grantedgrantedCritical
Publication of CA825464ApublicationCriticalpatent/CA825464A/en