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.)
JOHN DANIEL WILLIAMS
JOHN MARTIN PLUMER
JULE EARNEST TUBBS
VELMA LILLIAN DAWSON
Original Assignee
JOHN DANIEL WILLIAMS
JOHN MARTIN PLUMER
JULE EARNEST TUBBS
VELMA LILLIAN DAWSON
Publication date
Application grantedgrantedCritical
Publication of CA229431ApublicationCriticalpatent/CA229431A/en