Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268673 | Wave motion detector for swimming pool | Alan H. Nelson | 1993-12-07 |
| 5121104 | Pool alarm | Alan H. Nelson | 1992-06-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268673 | Wave motion detector for swimming pool | Alan H. Nelson | 1993-12-07 |
| 5121104 | Pool alarm | Alan H. Nelson | 1992-06-09 |