Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7878307 | Information distribution for use in an elevator | Shawn Duarte | 2011-02-01 |
| 7878308 | Information distribution system for use in an elevator | Michael J. DiFranza | 2011-02-01 |
| 7881732 | Information portal | — | 2011-02-01 |