Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6264222 | Retractable stairway assembly for a vehicle | David Johnston, Michael K. Smith, Nasser Zamani, William G. Massey, III, Luis A. Novoa +3 more | 2001-07-24 |
| 6178364 | Method of controlling a retractable stairway assembly | David Johnston, Michael K. Smith, Nasser Zamani, William G. Massey, III, Luis A. Novoa +3 more | 2001-01-23 |