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.)
JAMES H SIMMOND
RAYMOND E MIDDLETON
Original Assignee
JAMES H SIMMOND
RAYMOND E MIDDLETON
Publication date
Application grantedgrantedCritical
Publication of CA356326ApublicationCriticalpatent/CA356326A/fr