Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4459924 | Apparatus and method for spot planting seedlings | William H. Haddock, Randolph L. Zink | 1984-07-17 |
| 4306509 | Vacuum drum planter | H. Moustafa Hassan | 1981-12-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4459924 | Apparatus and method for spot planting seedlings | William H. Haddock, Randolph L. Zink | 1984-07-17 |
| 4306509 | Vacuum drum planter | H. Moustafa Hassan | 1981-12-22 |