Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5381484 | Hearing aid with pull-out-string, pull-out string, and method of making a hearing aid | Rudi A. M. Claes | 1995-01-10 |
| 5295191 | Hearing aid intended for being mounted within the ear canal | — | 1994-03-15 |
| 4767187 | Device for optically scanning an information carrier | Wilhelmus A. H. Gijzen, Petrus J. Blankers | 1988-08-30 |