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
CA629571A
Inventor
E. Gray Cloyd
M. Sherman Roger
Ferrari Uby
M. Bibb William
E. Fox Robert
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.)
W R AMES CO
Original Assignee
W R AMES CO
Publication date
Application grantedgrantedCritical
Publication of CA629571ApublicationCriticalpatent/CA629571A/en