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
CA873491A
Inventor
D. Fishman Stanley
Charles W. Lanham, Jr.
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.)
Sargent Welch Scientific Co
Original Assignee
Sargent Welch Scientific Co
Publication date
Application grantedgrantedCritical
Publication of CA873491ApublicationCriticalpatent/CA873491A/en