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
CA088296A
Inventor
Whitaker Ralph
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 Whitaker Co
Original Assignee
Fred Whitaker 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 Whitaker CofiledCriticalFred Whitaker Co
Priority to CA088296ApriorityCriticalpatent/CA920341A/en
Application grantedgrantedCritical
Publication of CA920341ApublicationCriticalpatent/CA920341A/en