Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659158 | Sound attenuating device and insert | James Browning | 1997-08-19 |
| 5413189 | Sound attenuating device and insert | James Browning | 1995-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659158 | Sound attenuating device and insert | James Browning | 1997-08-19 |
| 5413189 | Sound attenuating device and insert | James Browning | 1995-05-09 |