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
CA849816A
Inventor
H. Batie William
C. Smith Glenn
K. Marshall Robert
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.)
Victor Comptometer Corp
Original Assignee
Victor Comptometer Corp
Publication date
Application grantedgrantedCritical
Publication of CA849816ApublicationCriticalpatent/CA849816A/en