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
CA893829A
Inventor
L. Taylor Wesley
H. Thorburn David
C. Sauerman Ernst
H. Priesmeyer Charles
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.)
Powers Regulator Co
Original Assignee
Powers Regulator Co
Publication date
Application grantedgrantedCritical
Publication of CA893829ApublicationCriticalpatent/CA893829A/en