Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4298621 | Converting animal wastes to useful products | Walter C. Waechter, Ronald D. James | 1981-11-03 |
| 4250023 | Method and system for slurrying fibrous organic materials and removing grit therefrom | Walter C. Waechter | 1981-02-10 |