Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347911 | Acoustic headset | Richard A. Bertagna, Benjamin H. Stansbury, Jr. | 1982-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347911 | Acoustic headset | Richard A. Bertagna, Benjamin H. Stansbury, Jr. | 1982-09-07 |