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
CA897984A
Inventor
Kawaguchi Yukiyoshi
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.)
Ichikin Kogyosha KK
Original Assignee
Yukiyoshi Kawaguchi
Ichikin Kogyosha KK
Publication date
Application grantedgrantedCritical
Publication of CA897984ApublicationCriticalpatent/CA897984A/en