Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445799 | Noise cancellation earpiece | Steven H. Puthuff, Vincent Pluvinage | 2002-09-03 |
| 6438245 | Hearing aid communications earpiece | William D. Mercer | 2002-08-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445799 | Noise cancellation earpiece | Steven H. Puthuff, Vincent Pluvinage | 2002-09-03 |
| 6438245 | Hearing aid communications earpiece | William D. Mercer | 2002-08-20 |