Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438227 | Mechanical acoustic filter with adjustable high-frequency cut-off | — | 2002-08-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438227 | Mechanical acoustic filter with adjustable high-frequency cut-off | — | 2002-08-20 |