1. 4673. Rauwolfia serpentina (powder and tablets). Defendants: Prentiss Drug & Chemical Co. Issue Dates: June 1956
2. 4939. Rauwolfia serpentina (powder and tablets). Defendants: S. B. Penick & Co. Issue Dates: February 1957
3. 5152. Rauwolfia serpentina (powder and tablets). Defendants: Prentiss Drug & Chemical Co., Inc., and Fine Chemical Co. Issue Dates: May 1958