Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377914 | Speed controlled rotating sprinkler | — | 1995-01-03 |
| D349752 | Rotating spinner irrigation sprinkler | — | 1994-08-16 |
| D334333 | Ground support stake for irrigation tubing | Howard E. Thornton | 1993-03-30 |
| 5158231 | Mini-sprinkler stake assembly and mini-sprinkler unit and deflector therefore | Howard E. Thornton | 1992-10-27 |
| 5090621 | Constant drive nozzle for impulse irrigation sprinklers | Charles A. McMillen | 1992-02-25 |
| 4726520 | Continuous tube emitter | Richard D. Brown, Edward J. Pitchford, Mathias Plotkin, Octavian P. Dumitrascu | 1988-02-23 |
| 4625913 | Sprinkler having two-piece drive arm bridge | — | 1986-12-02 |
| D285476 | Impact drive sprinkler | — | 1986-09-02 |
| 4580724 | Impact drive sprinkler | Richard D. Brown | 1986-04-08 |
| D282960 | Sprinkler nozzle | Robert O'Neill | 1986-03-11 |
| D282768 | Sprinkler drive arm | David Eugene Robertson | 1986-02-25 |
| 4502631 | Trickle irrigation unit | — | 1985-03-05 |
| D276454 | Impact drive sprinkler | Richard D. Brown | 1984-11-20 |