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
CA868639A
Inventor
L. Vick Gerald
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.)
Conrac Corp
Original Assignee
Conrac Corp
Publication date
Application grantedgrantedCritical
Publication of CA868639ApublicationCriticalpatent/CA868639A/en