Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702338 | Heat treating, annealing and tunnel furnace rolls | — | 1997-12-30 |
| 5683650 | Bubble apparatus for removing and diluting dross in a steel treating bath | — | 1997-11-04 |
| 5650120 | Bubble-operated recirculating pump for metal bath | — | 1997-07-22 |
| 5639419 | Bubble operated dross diluting pump for a steel treating bath | — | 1997-06-17 |
| 5615482 | Method for making composite centrifugally cast furnace roll rings for furnace rolls | — | 1997-04-01 |