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.)
LEE KI H
Original Assignee
LEE KI H
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
Priority claimed from US05/654,015external-prioritypatent/US4088452A/en
Priority claimed from US05/735,675external-prioritypatent/US4088454A/en
Application filed by LEE KI HfiledCriticalLEE KI H
Application grantedgrantedCritical
Publication of CA1073675ApublicationCriticalpatent/CA1073675A/fr