Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6526527 | Single-processor system | Thomas Maier, Erwin Schmid, Jurgen Trost, Gert Volk | 2003-02-25 |
| 5438618 | Vocal frequency suppression apparatus and method | C. Earl Jantzi | 1995-08-01 |
| 4847685 | Audience survey system | Donald A. Weigt, Steven L. Paugh | 1989-07-11 |