Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D260498 | Smoke detector housing | Hilario Costa | 1981-09-01 |
| 4238679 | Dual-chamber ionization smoke detector assembly | Hilario Costa | 1980-12-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D260498 | Smoke detector housing | Hilario Costa | 1981-09-01 |
| 4238679 | Dual-chamber ionization smoke detector assembly | Hilario Costa | 1980-12-09 |