Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215468 | Method and apparatus for introducing subliminal changes to audio stimuli | Donald K. Lauffer | 1993-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215468 | Method and apparatus for introducing subliminal changes to audio stimuli | Donald K. Lauffer | 1993-06-01 |