Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020496 | Retractable platform device for use with subway trains and associated method | — | 2011-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020496 | Retractable platform device for use with subway trains and associated method | — | 2011-09-20 |