Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958708 | Beacon-based electronic guide system | Bernard Burg | 2005-10-25 |
| 6901329 | Beacon-based electronic guide system | Bernard Burg | 2005-05-31 |
| 6898334 | System and method for using printed documents | — | 2005-05-24 |