1. A Method for Obtaining Massive Growth of Bacteria in Fluid Media
2. Citric Acid Manufacture. U.S. Pat. No. 2,047,669 (July 14, 1936)
3. Apparatus for Promoting Mold Growth. U.S. Pat. No. 2,325,368 (July 27, 1943)
4. Production of Bacterial Enzyme Preparations and the Cultivation of Micro-organisms of Industrial and Nutritional Value. U.S. Pat. No. 2,770,575 (Nov. 13, 1957)
5. Means and Method of Producing and Controlling Cultures of Micro-organisms. U.S. Pat. No. 2,761,813 (Sept. 4, 1956)