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
CA600293A
Inventor
Waldman Herbert
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.)
ROBO-SONIC INDUSTRIES
Original Assignee
ROBO-SONIC INDUSTRIES
Priority date (The priority date 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 date listed.)
Publication date
Priority claimed from JP2839056Aexternal-prioritypatent/JPS357957B1/ja
Application grantedgrantedCritical
Publication of CA600293ApublicationCriticalpatent/CA600293A/en