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
Application number
CA825683A
Inventor
Tokunaga Tsugiharu
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.)
NOBUO IOSAKI
Original Assignee
NOBUO IOSAKI
Publication date
Application grantedgrantedCritical
Publication of CA825683ApublicationCriticalpatent/CA825683A/en