Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6383068 | Food portioning apparatus and method | Leland Edward Tollett, Stanley B. Andrews, Johnny Simpson Breeden, Donald Mark Zimmerman | 2002-05-07 |
| 5733184 | Meat processing article, apparatus, and method | Donald Mark Zimmerman, Kelvin D. Lasse, Bobby Z. Haley | 1998-03-31 |
| 5616073 | Apparatus and method for processing hog stomachs | Donald Mark Zimmerman, John C. Haley | 1997-04-01 |
| 5472377 | Poultry processing method, apparatus, and product | Stanley B. Andrews, Bobby Z. Haley, Robert L. Sanford, Donald Mark Zimmerman | 1995-12-05 |