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
CA869920A
Inventor
Z. Jablonski Wieslaw
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.)
HOPKIN AND WILLIAMS Ltd
Original Assignee
HOPKIN AND WILLIAMS Ltd
Publication date
Application grantedgrantedCritical
Publication of CA869920ApublicationCriticalpatent/CA869920A/en