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
CA650476A
Inventor
P. Frohardt Roger
F. Pittillo Robert
Ehrlich John
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.)
Parke Davis and Co LLC
Original Assignee
Parke Davis and Co LLC
Publication date
Application grantedgrantedCritical
Publication of CA650476ApublicationCriticalpatent/CA650476A/en