Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6266847 | Door operator and process for operation of a door operator | — | 2001-07-31 |
| 5862630 | Door closer | Thomas Salutzki | 1999-01-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6266847 | Door operator and process for operation of a door operator | — | 2001-07-31 |
| 5862630 | Door closer | Thomas Salutzki | 1999-01-26 |