Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451242 | Active synthetic soil | Douglas W. Ming, Donald L. Henninger, Earl R. Allen | 1995-09-19 |
| 5433766 | Slow-release fertilizer | Douglas W. Ming | 1995-07-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451242 | Active synthetic soil | Douglas W. Ming, Donald L. Henninger, Earl R. Allen | 1995-09-19 |
| 5433766 | Slow-release fertilizer | Douglas W. Ming | 1995-07-18 |