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
CA880524A
Inventor
O. Hatch Bruce
J. Betourney Henry
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.)
Victor Equipment Co
Original Assignee
Bruce O Hatch
Henry J Betourney
Thermal Dynamics Corp
Publication date
Application grantedgrantedCritical
Publication of CA880524ApublicationCriticalpatent/CA880524A/en