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
CA727817A
Inventor
E. Van Horne William
W. Barnett Glenroy
F. Goddard Marion
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.)
KEINATH INSTRUMENT CO
Original Assignee
KEINATH INSTRUMENT CO
Publication date
Application grantedgrantedCritical
Publication of CA727817ApublicationCriticalpatent/CA727817A/en