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
CA740071A
Inventor
E. Dietzgen Joseph
J. Thomiszer Hubert
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.)
Eugene Dietzgen Co
Original Assignee
Eugene Dietzgen Co
Publication date
Application grantedgrantedCritical
Publication of CA740071ApublicationCriticalpatent/CA740071A/en