Top Inventors at Otis Products All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Nicholas Williams | 7 |
| 2 | James R. Brooker | 6 |
| 3 | Christopher Ashley | 5 |
| #4 | Nathan Williams | 3 |
| #5 | Doreen Marks | 1 |
| #6 | John P. Fravor | 1 |
| #7 | John Lawrence McDonald | 1 |
| #8 | Lawrence Williams | 1 |
| #9 | Matthew Gioia | 1 |
| #10 | Nicholas H. Williams | 1 |