Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146938 | Cleaning of mill gears | David William Burns | 1992-09-15 |
| 5031648 | Cleaning of mill gears | David William Burns | 1991-07-16 |
| 4237977 | Removal of water from gas well borehole with solid foaming agent | — | 1980-12-09 |