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
CA850262A
Inventor
H. Harshbarger John
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.)
Visual Information Institute Inc
Original Assignee
Visual Information Institute Inc
Publication date
Application grantedgrantedCritical
Publication of CA850262ApublicationCriticalpatent/CA850262A/en