Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923715 | Device for regulating the air volume flow for a vent in a laboratory | Frank Barth, Horst Esch | 2005-08-02 |
| 5251887 | Machine vise for clamping a workpiece | Franz Arnold | 1993-10-12 |