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.)
GEORGE HENRY BABKIRK
JAMES R SKELDING
Original Assignee
GEORGE HENRY BABKIRK
JAMES R SKELDING
Publication date
Application grantedgrantedCritical
Publication of CA315326ApublicationCriticalpatent/CA315326A/en