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 - Lifetime
Application number
CA91022F
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.)
WEN YA YEH
Original Assignee
WEN YA YEH
Publication date
Priority to CA91022FpriorityCriticalpatent/CA91022S/en
Application grantedgrantedCritical
Publication of CA91022SpublicationCriticalpatent/CA91022S/en