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
CA678230A
Inventor
H. Shaw Stephen
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.)
CEDAR ENGINEERING
DIVISION OF CONTROL DATA Corp
Original Assignee
CEDAR ENGINEERING
DIVISION OF CONTROL DATA Corp
Publication date
Application grantedgrantedCritical
Publication of CA678230ApublicationCriticalpatent/CA678230A/en