Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691791 | Soil aeration tine | — | 2004-02-17 |
| 6513603 | Soil aeration tine | — | 2003-02-04 |
| 6058860 | Seeder apparatus for dispensing seed with or without top dressing | George Kinkead, Vernon J. Worrel, Matthew Donner | 2000-05-09 |
| 5802994 | Seeder apparatus for dispensing seed with or without top dressing | George Kinkead, Vernon J. Worrel, Matthew Donner | 1998-09-08 |
| 5469922 | Soil aerator | — | 1995-11-28 |