Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384731 | Black nitrogen—a milk-based fertilizer composition with a soluble coal dust ingredient | Rebecca Sue Selkirk, Michael Brown, Jennifer Xiaoyu Xu Brown | 2025-08-12 |
| 12319631 | Black nitrogen—a milk-based fertilizer composition with coal dust | Rebecca Sue Selkirk | 2025-06-03 |
| 11358906 | Black nitrogen—a milk-based fertilizer | Rebecca Sue Selkirk | 2022-06-14 |