Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D286874 | Headset | Richard A. Bertagna | 1986-11-25 |
| 4588868 | Headset | Richard A. Bertagna | 1986-05-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D286874 | Headset | Richard A. Bertagna | 1986-11-25 |
| 4588868 | Headset | Richard A. Bertagna | 1986-05-13 |