Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5575085 | Apparatus and method for controlling the rotary airlocks in a coal processing system by reversing the motor current rotating the air lock | — | 1996-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5575085 | Apparatus and method for controlling the rotary airlocks in a coal processing system by reversing the motor current rotating the air lock | — | 1996-11-19 |