Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4298621 | Converting animal wastes to useful products | James M. Samis, Walter C. Waechter | 1981-11-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4298621 | Converting animal wastes to useful products | James M. Samis, Walter C. Waechter | 1981-11-03 |