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
CA827008A
Inventor
M. Hesling Donald
N. Debruin Calvin
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.)
SPX Corp
Original Assignee
Calvin N Debruin
Donald M Hesling
Sealed Power Corp
Publication date
Application grantedgrantedCritical
Publication of CA827008ApublicationCriticalpatent/CA827008A/en