Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341909 | Linear wheel escalator handrail drive | Hermann W. Ahls | 1994-08-30 |
| 5293982 | Step chain plug-in axle | Hermann W. Ahls | 1994-03-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341909 | Linear wheel escalator handrail drive | Hermann W. Ahls | 1994-08-30 |
| 5293982 | Step chain plug-in axle | Hermann W. Ahls | 1994-03-15 |