Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875552 | Modular elevator cab construction | Stephen W. Smith, Christopher Lair | 1989-10-24 |
| 4875553 | Modular elevator cab construction | Stephen W. Smith, Christopher Lair | 1989-10-24 |
| 4779707 | Modular elevator cab construction | Stephen W. Smith, Christopher Lair | 1988-10-25 |