Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499318 | Method and apparatus for access control based on an audible uttering and timing of the audible uttering | Dieter Kopp, Thomas Hormann, Uwe Ackermann | 1996-03-12 |
| 5420912 | Telephone having portable voice control module for playing back speech or performing a hands-free telephone function | Dieter Kopp, Thomas Hormann | 1995-05-30 |