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
CA900297A
Inventor
A. Beardsley Earl
C. Prescott Robert
L. Bowditch Hoel
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.)
Schneider Electric Systems USA Inc
Original Assignee
Foxboro Co
Publication date
Application grantedgrantedCritical
Publication of CA900297ApublicationCriticalpatent/CA900297A/en