Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754437 | Method of making or drying particulate material | Lewis W. G. Doom, Jr. | 1988-06-28 |
| 4650343 | Method of mixing or drying particulate material | Lewis W. G. Doom, Jr. | 1987-03-17 |