Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317450 | Loudspeaker | Tracy Eugene Crawford, Rogelio Delgado, Jr. | 1991-06-11 |
| 5000286 | Modular loudspeaker system | Tracy Eugene Crawford, Rogelio Delgado, Jr. | 1991-03-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317450 | Loudspeaker | Tracy Eugene Crawford, Rogelio Delgado, Jr. | 1991-06-11 |
| 5000286 | Modular loudspeaker system | Tracy Eugene Crawford, Rogelio Delgado, Jr. | 1991-03-19 |