Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8000261 | System and method for multicast transmission | David E. Espenlaub | 2011-08-16 |
| 7864991 | System and method for assisting a visually impaired individual | David E. Espenlaub | 2011-01-04 |