Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8118154 | Sod handler | Donald Tvetene, Gregg Tvetene | 2012-02-21 |
| 7641437 | Sod slab handler | Donald Tvetene, Gregg Tvetene | 2010-01-05 |
| 6783318 | Sod stacker | Theodore Tvetene, Donald Tvetene, Gregg Tvetene | 2004-08-31 |
| 6681864 | Sod harvester | Donald Tvetene, Gregg Tvetene | 2004-01-27 |
| 6364027 | Sod harvester | Donald Tvetene, Gregg Tvetene | 2002-04-02 |
| 6296063 | Sod harvester | Donald Tvetene, Gregg Tvetene | 2001-10-02 |
| 6050367 | Bi-directional vehicle | Theodore Tvetene, Donald Tvetene, Gregg Tvetene | 2000-04-18 |