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
CA856360A
Inventor
A. Belanger Edward
D. Maynard Wheeler
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
Edward A Belanger
General Signal Corp
Publication date
Application grantedgrantedCritical
Publication of CA856360ApublicationCriticalpatent/CA856360A/en