Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385120 | Slurry-blasted hot-roll-based hot dip aluminized steel strip | Andrew J. Miller | 2025-08-12 |
| 12145221 | Shielding and cooling a continuous weld between steel sheets/plates using a non-oxidizing atmosphere to reduce the formation of oxide on a surface of the continuous weld | Steven Wayne Streibick, Stephen Bryant Tate | 2024-11-19 |
| 5522492 | Escalator handrail drive system | John P. Spriggs | 1996-06-04 |
| 5427221 | Escalator handrail drive system | John P. Spriggs | 1995-06-27 |