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
CA830902A
Inventor
V. Wszolek Joseph
Original Assignee
Amsted Industries Inc
Publication date
Application grantedgrantedCritical
Publication of CA830902ApublicationCriticalpatent/CA830902A/en