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
CA660159A
Inventor
Trewhitt Alan
M. Johnson Cecil
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.)
Fisher Governor Co
Original Assignee
Fisher Governor Co
Publication date
Application grantedgrantedCritical
Publication of CA660159ApublicationCriticalpatent/CA660159A/en