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
CA752940A
Inventor
P. Wilska Alvar
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.)
Philips Electronics and Pharmaceutical Industries Corp
Original Assignee
Philips Electronics and Pharmaceutical Industries Corp
Publication date
Application grantedgrantedCritical
Publication of CA752940ApublicationCriticalpatent/CA752940A/en