Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10196854 | Door seal with two sealing planes | — | 2019-02-05 |
| 4947594 | Device for adjusting and fixedly securing window frames and door cases or the like in wall openings | Thomas Theobald, Hans J. Plumer | 1990-08-14 |
| 4926719 | Supplementary device for inserting screws by means of a power-driven screw driver | Hans J. Plumer | 1990-05-22 |