Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353347 | Telephone headset amplifier with battery saver, receive line noise reduction, and click-free mute switching | Pierre Irissou, Shu-Ren Chen, Dwight D. Lynn | 1994-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353347 | Telephone headset amplifier with battery saver, receive line noise reduction, and click-free mute switching | Pierre Irissou, Shu-Ren Chen, Dwight D. Lynn | 1994-10-04 |