Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975449 | Mud gun cap | — | 2021-04-13 |
| 8083988 | Mud gun cap | John S. Korhel | 2011-12-27 |
| 7582254 | Mud gun cap | John S. Korhel | 2009-09-01 |
| 4669707 | Apparatus and process for tapping molten metal furnaces using a rotary percussion mill | — | 1987-06-02 |