Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D474173 | Ceiling speaker | Hilario Costa | 2003-05-06 |
| D474174 | Ceiling speaker with strobe | Hilario Costa | 2003-05-06 |
| D472887 | Wall speaker strobe | Hilario Costa | 2003-04-08 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D474173 | Ceiling speaker | Hilario Costa | 2003-05-06 |
| D474174 | Ceiling speaker with strobe | Hilario Costa | 2003-05-06 |
| D472887 | Wall speaker strobe | Hilario Costa | 2003-04-08 |