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.)
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.)
Western Atlas Inc
Original Assignee
Litton Industrial Products Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Litton Industrial Products IncfiledCriticalLitton Industrial Products Inc
Priority to CA137,255ApriorityCriticalpatent/CA955648A/en
Application grantedgrantedCritical
Publication of CA955648ApublicationCriticalpatent/CA955648A/en