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
CA776559A
Inventor
B. Dutkewych Oleh
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.)
Shipley Co Inc
Original Assignee
Shipley Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA776559ApublicationCriticalpatent/CA776559A/en