Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359962 | Low-frequency sound generator | Roland Sandstrom | 1982-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359962 | Low-frequency sound generator | Roland Sandstrom | 1982-11-23 |