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
CA883693A
Inventor
Tanaka Kenzo
Masaoka Yutaka
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.)
Yamaha Motor Co Ltd
Original Assignee
Kenzo Tanaka
Yutaka Masaoka
Yamaha Motor Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA883693ApublicationCriticalpatent/CA883693A/en