Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303283 | Oscillating wave lawn sprinkler | Melvin H. M. Best, James G. Allemann | 1989-09-05 |
| D269367 | Oscillator sprinkler | Spencer L. Mackay, Steven E. Maple | 1983-06-14 |
| D269200 | Sprinkler base | Frederick G. Mackay, Craig R. Tisserat, Enric C. Mendoza | 1983-05-31 |