Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889283 | Apparatus and method for stream diverter | Alan S. Robinson | 1989-12-26 |
| 4872611 | Venturi-less water nozzle | Alan S. Robinson | 1989-10-10 |
| 4858826 | Colored flame water fountain illumination system | Alan S. Robinson | 1989-08-22 |
| 4852801 | Airpowered water displays | Alan S. Robinson | 1989-08-01 |
| 4817312 | User activated fountain display | Alan S. Robinson | 1989-04-04 |
| 4795092 | Laminar flow nozzle | — | 1989-01-03 |