Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5561685 | Modular spray cooled side-wall for electric arc furnaces | David Arthur Lehr, Gordon R. Roberts, Frank Henry Miner, Jr., Mark Thomas Arthur | 1996-10-01 |
| 4815096 | Cooling system and method for molten material handling vessels | — | 1989-03-21 |
| 4679206 | Electrode joint thread form | — | 1987-07-07 |