| Answer | Crossword Clue |
|---|---|
| OTIS | Elevator safety brake inventor |
| OTIS | Elevator brake inventor |
| OTIS | Elevator-brake inventor |
| OTIS | Elevator brake inventor Elisha |
| OTIS | Inventor of elevator brake. |
| OTIS | Safety-brake inventor |
| OTIS | Safety elevator inventor |
| OTIS | Elevator safety-device inventor. |
| OTIS | Inventor of the safety elevator |
