Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236430 | Apparatus, method and system for teaching elapsed time | Bruce Brown | 2007-06-26 |
| 7121833 | Apparatus, method and system for teaching elapsed time | Bruce Brown | 2006-10-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236430 | Apparatus, method and system for teaching elapsed time | Bruce Brown | 2007-06-26 |
| 7121833 | Apparatus, method and system for teaching elapsed time | Bruce Brown | 2006-10-17 |