Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5793184 | Solar power supply unit for battery operated devices | — | 1998-08-11 |
| 4925149 | Shock absorbing unit | Peter DiFrancesca | 1990-05-15 |
| 4728801 | Light scattering smoke detector having conical and concave surfaces | — | 1988-03-01 |
| 4590951 | Breathing apparatus | — | 1986-05-27 |