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
CA761714A
Inventor
S. Hanson Joseph
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.)
Louden Machinery Co
Original Assignee
Joseph S Hanson
Louden Machinery Co
Publication date
Application grantedgrantedCritical
Publication of CA761714ApublicationCriticalpatent/CA761714A/en