Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678660 | Overhead supporting beam for an elevator door and a door mechanism arrangement | Franz Mittermayer, Franz Josef Karner | 1997-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678660 | Overhead supporting beam for an elevator door and a door mechanism arrangement | Franz Mittermayer, Franz Josef Karner | 1997-10-21 |