Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875233 | Headset construction and method of making same | David Rose | 1989-10-17 |
| 4815143 | Wireless microphone | Donald A. Kutz | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875233 | Headset construction and method of making same | David Rose | 1989-10-17 |
| 4815143 | Wireless microphone | Donald A. Kutz | 1989-03-21 |