Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239191 | Mobile furnace system | — | 2016-01-19 |
| 8506291 | Modular mobile furnace train | — | 2013-08-13 |
| 6164960 | Flue seal for a carbon anode baking furnace | — | 2000-12-26 |
| 6004130 | Flue seal for a carbon anode baking furnace | — | 1999-12-21 |
| 4416170 | Method of producing a steel caul | Gerald F. Laughinghouse | 1983-11-22 |
| 4238438 | Hardboard with smooth, dense surface and method | Gerald F. Laughinghouse | 1980-12-09 |