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
CA824537A
Inventor
C. Stafford Milton
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.)
KING OF PRUSSIA RESEARCH AND DEVELOPMENT Corp
Original Assignee
KING OF PRUSSIA RESEARCH AND DEVELOPMENT Corp
Publication date
Application grantedgrantedCritical
Publication of CA824537ApublicationCriticalpatent/CA824537A/en