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.)
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.)
Poor and Co
P&M Co
Original Assignee
Poor and Co
P&M Co
Publication date
Application grantedgrantedCritical
Publication of CA401520ApublicationCriticalpatent/CA401520A/en