Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10320273 | Method for manufacturing a brush-commutated direct-current motor | Akram Ben Helal, Norbert Heim, Johannes BARTOSCHEK | 2019-06-11 |
| 10148146 | Brush-commutated direct-current motor | Akram Ben Helal, Norbert Heim, Johannes BARTOSCHEK | 2018-12-04 |
| 5697612 | Jet bumper for a pinball game | Peter J. Piotrowski | 1997-12-16 |
| 4568323 | Strip steel stamping or punching tool for carton blanks or the like | — | 1986-02-04 |