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.)
MATEER-BURT Co
Original Assignee
MATEER-BURT 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 MATEER-BURT CofiledCriticalMATEER-BURT Co
Priority to CA136,809ApriorityCriticalpatent/CA961449A/en
Priority to CA211,222Aprioritypatent/CA998972A/en
Application grantedgrantedCritical
Publication of CA961449ApublicationCriticalpatent/CA961449A/en