Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123984 | Method and apparatus for forming ports in drip irrigation hose | David M. Giuntoli, William F. Holzer | 1992-06-23 |
| 5003726 | Method for protecting drip irrigation hoses and other structures from root intrusion | — | 1991-04-02 |
| 4984739 | Drip irrigation hose | — | 1991-01-15 |
| 4247051 | Irrigation hose and method for its construction | — | 1981-01-27 |