Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244705 | Triple rotary gas lock seal system for transferring coal continuously into, or ash out of, a pressurized process vessel | Robert M. Seidl | 1981-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244705 | Triple rotary gas lock seal system for transferring coal continuously into, or ash out of, a pressurized process vessel | Robert M. Seidl | 1981-01-13 |