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.)
ARTHUR MERKEL
HARRY G HAMBRIGHT
RAYMOND R WILLIAMS
Original Assignee
ARTHUR MERKEL
HARRY G HAMBRIGHT
RAYMOND R WILLIAMS
Publication date
Application grantedgrantedCritical
Publication of CA387457ApublicationCriticalpatent/CA387457A/fr