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
CA774814A
Inventor
Jr. Childress B. Gwyn
Original Assignee
UNIMCO Ltd
Publication date
Application grantedgrantedCritical
Publication of CA774814ApublicationCriticalpatent/CA774814A/en