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
CA762804A
Inventor
D. Wisenbaker John
W. Stuart Robert
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.)
CORE LABORATORIES
American Coldset Corp
Original Assignee
CORE LABORATORIES
American Coldset Corp
Publication date
Application grantedgrantedCritical
Publication of CA762804ApublicationCriticalpatent/CA762804A/en