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
CA591408A
Inventor
H. Zinn Walter
V. Ross Herbert
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.)
Government of the United States of America
Original Assignee
Government of the United States of America
Publication date
Application grantedgrantedCritical
Publication of CA591408ApublicationCriticalpatent/CA591408A/en