Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4388494 | Process and apparatus for improved dummy head stereophonic reproduction | Jurgen lmann, Helmut Lamparter | 1983-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4388494 | Process and apparatus for improved dummy head stereophonic reproduction | Jurgen lmann, Helmut Lamparter | 1983-06-14 |