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
CA866725A
Inventor
E. Engelhard William
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.)
Owego Heat Treat Inc
Original Assignee
Owego Heat Treat Inc
Publication date
Application grantedgrantedCritical
Publication of CA866725ApublicationCriticalpatent/CA866725A/en