Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580636 | Welded composite panels | Lutz Kampmann | 1996-12-03 |
| 5510597 | Welded composite panels | Lutz Kampmann | 1996-04-23 |
| 4964839 | Drive shaft with a coupling arrangement | — | 1990-10-23 |
| 4530454 | Device for driving nails and similar fastening elements | Hans Gschwend, Fritz Mark, Lukas Matt | 1985-07-23 |
| 4437526 | Milling tool for forming recesses in masonry, concrete and similar material structures | — | 1984-03-20 |
| 4205728 | Suction attachment for a drilling tool | Fritz Mark | 1980-06-03 |