Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8293167 | Surface treatment of metallic articles in an atmospheric furnace | Ralph P. Poor, Garry W. Barbee, John W. Gottschalk | 2012-10-23 |
| 6283749 | Inside/out, industrial vacuum furnace | Thomas J. Schultz | 2001-09-04 |