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
CA640166A
Inventor
Arthur E. Fentiman
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.)
Fentiman Clarence F
Fentiman Harold G
Triodetic Structures Ltd
Original Assignee
Fentiman Clarence F
Fentiman Harold G
Triodetic Structures Ltd
Publication date
Application grantedgrantedCritical
Publication of CA640166ApublicationCriticalpatent/CA640166A/en