Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760447 | Sound recording and reproduction systems | Philip Nelson, Ole Kirkeby | 2004-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760447 | Sound recording and reproduction systems | Philip Nelson, Ole Kirkeby | 2004-07-06 |