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.)
Fred T Roberts and Co
Original Assignee
Fred T Roberts and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fred T Roberts and CofiledCriticalFred T Roberts and Co
Priority to CA132,778ApriorityCriticalpatent/CA940673A/en
Application grantedgrantedCritical
Publication of CA930682ApublicationCriticalpatent/CA930682A/en