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
CA838874A
Inventor
L. Weida Robert
M. Richards Edward
Berezin Evelyn
Knoll Jack
Rosenblatt Philip
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.)
Digitronics Corp
Original Assignee
Digitronics Corp
Publication date
Application grantedgrantedCritical
Publication of CA838874ApublicationCriticalpatent/CA838874A/en