Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303283 | Oscillating wave lawn sprinkler | Melvin H. M. Best, Paul G. Mayr | 1989-09-05 |
| 4860954 | Adjustable oscillating wave-type sprinkler | — | 1989-08-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303283 | Oscillating wave lawn sprinkler | Melvin H. M. Best, Paul G. Mayr | 1989-09-05 |
| 4860954 | Adjustable oscillating wave-type sprinkler | — | 1989-08-29 |