Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806433 | High-strength erosion electrode | Bernd Barthel, Heinrich Groos, Hans Hermanni | 2004-10-19 |
| 6448527 | High-strength erosion electrode | Bernd Barthel, Heinrich Groos, Hans Hermanni | 2002-09-10 |
| 5919322 | Alloy, in particular for use in the manufacture of frames for glass, jewelry, and the like | Juergen Fackert, Bruno Rechtziegel | 1999-07-06 |
| 5908517 | Alloy, in particular for use in the manufacture of frames for glass, jewelry, and the like | Juergen Fackert, Bruno Rechtziegel | 1999-06-01 |
| 5270001 | Alloy, in particular for use in the manufacture of jewelry, frames for glass, and the like | Bruno Rechtziegel, Wolfgang Brandstaetter, Juergen Fackert | 1993-12-14 |
| 5259898 | Alloy for spectacle wire frames and electronic component parts | Wolfgang Brandstaetter, Erich Dommer, Juergen Fackert, Bruno Rechtziegel | 1993-11-09 |
| 4701302 | Filler metal for welding | Erich Dommer, Bruno Rechtziegel | 1987-10-20 |