Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8171671 | Security gate | — | 2012-05-08 |
| 5471795 | Method of operating a turnstile gate | Hermann Vogel | 1995-12-05 |
| 5444941 | Mantrap | — | 1995-08-29 |
| 5159203 | Safety circuit for flywheel masses or machine parts that are driven by electric motor and can be braked or arrested electrically | Gerhard Oberle, Roland Ebert | 1992-10-27 |
| 5146711 | Security revolving door | Hermann Vogel, Erwin Hochstuhl | 1992-09-15 |
| 5076013 | Security revolving door assembly for persons | Erwin Hochtstuhl, Roland Ebert | 1991-12-31 |