Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158684 | Transport and deposit inhibition of copper in boilers | Roger Moulton, Alexander C. McDonald | 1992-10-27 |
| 4952324 | Boiler water treatment | Alexander C. McDonald | 1990-08-28 |
| 4931206 | Boiler water treatment composition | Alexander C. McDonald | 1990-06-05 |
| 4828713 | Boiler water treatment | Alexander C. McDonald | 1989-05-09 |