Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7000279 | Transit boarding platform panel | — | 2006-02-21 |
| 6895622 | Transit boarding platform panel | — | 2005-05-24 |
| 6449790 | Transit boarding platform panel | — | 2002-09-17 |
| 5775835 | Embedment tiles for pedestrian platforms and walkways | — | 1998-07-07 |
| 5303669 | Tiles for pedestrian platforms and walkways | — | 1994-04-19 |