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.)
SERVEN A RALPH
Original Assignee
SERVEN A RALPH
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 SERVEN A RALPHfiledCriticalSERVEN A RALPH
Application grantedgrantedCritical
Publication of CA189218ApublicationCriticalpatent/CA189218A/en