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
CA642418A
Inventor
C. Weathers Leland
S. Paszek Joseph
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.)
Vickers Inc
Original Assignee
Joseph S Paszek
Vickers Inc
Publication date
Application grantedgrantedCritical
Publication of CA642418ApublicationCriticalpatent/CA642418A/en