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
CA715224A
Inventor
Jr. Walter W. Klein
Original Assignee
California Research LLC
Publication date
Application grantedgrantedCritical
Publication of CA715224ApublicationCriticalpatent/CA715224A/en