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
CA611738A
Inventor
Steenhagen Gerrit
Johnson Willard
Umbricht Emil
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.)
Ajem Laboratories Inc
Original Assignee
Ajem Laboratories Inc
Publication date
Application grantedgrantedCritical
Publication of CA611738ApublicationCriticalpatent/CA611738A/en