Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324334 | Spiral separators | Douglas C. Wright | 1982-04-13 |
| 4277330 | Spiral separators | Douglas C. Wright | 1981-07-07 |
| 4189378 | Spiral separators | Douglas C. Wright | 1980-02-19 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324334 | Spiral separators | Douglas C. Wright | 1982-04-13 |
| 4277330 | Spiral separators | Douglas C. Wright | 1981-07-07 |
| 4189378 | Spiral separators | Douglas C. Wright | 1980-02-19 |