Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802458 | Sprinkler with nozzle gate valve | — | 2004-10-12 |
| D486884 | Irrigation sprinkler nozzle carrier tree | David Eugene Robertson | 2004-02-17 |
| D486886 | Pop-up sprinkler rubber nozzle cover | — | 2004-02-17 |