Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9259004 | Method of improving grass quality | Richard K. Hanrahan, David R. SPAK | 2016-02-16 |
| 8426343 | Method of improving grass quality | Richard K. Hanrahan, David R. SPAK | 2013-04-23 |
| 8153558 | Method of improving grass quality | Richard K. Hanrahan, David R. SPAK | 2012-04-10 |