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
CA729337A
Inventor
W. Sharp Allen
J. Crane Edward
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.)
BARKER AUTOMATION
Original Assignee
BARKER AUTOMATION
Publication date
Application grantedgrantedCritical
Publication of CA729337ApublicationCriticalpatent/CA729337A/en