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
CA679465A
Inventor
Iida Shoichi
Misawa Mutsushi
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.)
Sekonic Corp
Original Assignee
Sekonic Corp
Publication date
Application grantedgrantedCritical
Publication of CA679465ApublicationCriticalpatent/CA679465A/en