Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D273033 | Swimming pool chemical dispenser or the like | Arlon G. Sangster | 1984-03-13 |
| D269801 | Swimming pool chemical dispenser or the like | Arlon G. Sangster | 1983-07-19 |
| 4208376 | Water treatment chemical dispenser with control tube | Arlon G. Sangster, John M. Casberg | 1980-06-17 |