Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4589539 | Transportation apparatus having a moving handrail | Edward F. Parvis | 1986-05-20 |
| 4580675 | Transportation apparatus | — | 1986-04-08 |
| 4576276 | Escalator | Peter J. Coakley, Jr | 1986-03-18 |
| 4562914 | Handrail apparatus | — | 1986-01-07 |
| 4535880 | Escalator | — | 1985-08-20 |
| 4239102 | Handrail apparatus | — | 1980-12-16 |