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
CA653609A
Inventor
C. Howard William
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.)
CAROL O'NEAL SANDLIN
DON PIERSON
WILLIAM D R OWEN
Original Assignee
CAROL O'NEAL SANDLIN
DON PIERSON
WILLIAM D R OWEN
Publication date
Application grantedgrantedCritical
Publication of CA653609ApublicationCriticalpatent/CA653609A/en