Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10118803 | Service apparatus for an escalator or motorized stairway | Bruce McLellan | 2018-11-06 |
| 5029970 | Adapter for a light guide for medical laser apparatus including safety device | Andreas Hahn | 1991-07-09 |
| 4900122 | Device for a fiber-optic guide | Frank Frank, Andreas Hahn | 1990-02-13 |
| 4669819 | Connector for coupling a medical laser tool to a laser | Andreas Hahn | 1987-06-02 |