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
CA681994A
Inventor
A. Abler Robert
L. Becker Floyd
G. Clifford David
Original Assignee
Varian Associates Inc
Publication date
Application grantedgrantedCritical
Publication of CA681994ApublicationCriticalpatent/CA681994A/en