Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545594 | Audio closure | John D. Knight, Joseph M. Ladina, Thomas P. Hambleton, Douglas J. Ely, Daniela Homza-Stark +2 more | 2003-04-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545594 | Audio closure | John D. Knight, Joseph M. Ladina, Thomas P. Hambleton, Douglas J. Ely, Daniela Homza-Stark +2 more | 2003-04-08 |