Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247846 | Quick disconnectable screw device | Bruno Tews, deceased, Holger S. Tews, heir | 1993-09-28 |
| 4294126 | Sample feeding device | Toma Tomoff, Wolfgang Chlosta, Heinz Henninger, Rolf Tamm | 1981-10-13 |