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
CA607773A
Inventor
A. Wagner Adolph
J. Werner Arnold
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.)
WAGNER IRON WORKS
Original Assignee
WAGNER IRON WORKS
Publication date
Application grantedgrantedCritical
Publication of CA607773ApublicationCriticalpatent/CA607773A/en