Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7321527 | Method and apparatus for controlling the acoustic output of an airgun | Jon-Fredrik Hopperstad, Johan-Fredrik Synnevaag | 2008-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7321527 | Method and apparatus for controlling the acoustic output of an airgun | Jon-Fredrik Hopperstad, Johan-Fredrik Synnevaag | 2008-01-22 |