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
CA772467A
Inventor
L. Parsons Richard
Original Assignee
California Research LLC
Publication date
Application grantedgrantedCritical
Publication of CA772467ApublicationCriticalpatent/CA772467A/en