Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934087 | Earthworm harvesting method | Jesse R. Birchard | 1990-06-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934087 | Earthworm harvesting method | Jesse R. Birchard | 1990-06-19 |