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.)
CHUANG LI HWANG
Original Assignee
CHUANG LI HWANG
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 CHUANG LI HWANGfiledCriticalCHUANG LI HWANG
Priority to CA305,460ApriorityCriticalpatent/CA1123867A/fr
Application grantedgrantedCritical
Publication of CA1123867ApublicationCriticalpatent/CA1123867A/fr