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
CA835374A
Inventor
E. Hilbert Francis
N. Craig Sam
H. Combs William
B. Tahar Arthur
L. Kemper Harry
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.)
Somat Corp
Original Assignee
Somat Corp
Publication date
Application grantedgrantedCritical
Publication of CA835374ApublicationCriticalpatent/CA835374A/en