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.)
HELLER WILLIAM C JUN
Original Assignee
HELLER WILLIAM C JUN
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 CA098,611Aexternal-prioritypatent/CA968233A/en
Application filed by HELLER WILLIAM C JUNfiledCriticalHELLER WILLIAM C JUN
Priority to CA162,284ApriorityCriticalpatent/CA986373A/en
Application grantedgrantedCritical
Publication of CA986373ApublicationCriticalpatent/CA986373A/en