Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4513685 | Method and device for raising worms, method of raising worms in nutrition limited by inhibiting means, method of producing worm castings, and holder for raising worms | Antonie F. van Es | 1985-04-30 |