Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8967364 | Self-regulating heating cable for a passenger conveyor component | Heinrich Zeiger | 2015-03-03 |
| 7201269 | Device for heating escalators or moving walkways | Hans-Werner Büscher | 2007-04-10 |