Defendants
- Dauber Bros.3
- E. P. Johnson & Co.3
- Emme Dental Specialty Co.3
- Farmers Cooperative Creamery Co.3
- Frankton Ideal Canning Co.3
- Hazeltine & Perkins Drug Co.3
- Hudson Manufacturing Co.3
- J. M. Benson Co.3
- John H. Leslie & Co.3
- Julius Marcus Co.3
- Karsten & Sons3
- L. D. Schreiber & Co., Inc.3
- Land O'Lakes Creameries (Inc.)3
- Leserman Bros.3
- Libby, McNeill & Libby3
- Lyman Bros.3
- Mallars & Co.3
- Merck & Co., Inc.3
- Nemitz Bros.3
- Northern Fruit Co.3