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
CA 49889
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.)
Toshiba Corp
Moriyama Sangyo KK
Original Assignee
Moriyama Sangyo KK
Tokyo Shibaura Electric Co Ltd
Publication date
Priority to CA 49889priorityCriticalpatent/CA49889S/en
Application grantedgrantedCritical
Publication of CA49889SpublicationCriticalpatent/CA49889S/en