Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181595 | Roller supporting assembly for escalator or moving walkway handrail newels | Walter Tietze | 1993-01-26 |
| 4896759 | Handrail mount deflector for streamlined escalator newels | Walter Tietze | 1990-01-30 |