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
CA822555A
Inventor
Vissers 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.)
Herbert Vissers BV
Original Assignee
Herbert Vissers BV
Publication date
Application grantedgrantedCritical
Publication of CA822555ApublicationCriticalpatent/CA822555A/en