Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496220 | Method and arrangement for driving door installations as a function of the presence of persons | Martin Bichsel | 2002-12-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496220 | Method and arrangement for driving door installations as a function of the presence of persons | Martin Bichsel | 2002-12-17 |