Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5825873 | Interface for providing call control for a headset attached to a telephone providing call control for a headset attached to a telephone | Michael G. Duncan, Ronald Albert Kubena, Douglas F. Moellering | 1998-10-20 |