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
CA721677A
Inventor
R. Bell Kenneth
J. J. Staunton John
H. Sinclair John
J. Horn Anton
W. Bull Rame
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.)
Coleman Instruments Corp
Original Assignee
Coleman Instruments Corp
Publication date
Application grantedgrantedCritical
Publication of CA721677ApublicationCriticalpatent/CA721677A/en