Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7329828 | Method for inert gas welding or inert gas soldering of workpieces comprising identical or different metals or metal alloys by means of an additional Zn/Al metal | Jochen Spriestersbach, Frank Prenger | 2008-02-12 |
| 6376102 | Thermally sprayed anticorrosion layer for reinforced concrete and method for making the preparation thereof | Jochen Spriestersbach, Michael Knepper | 2002-04-23 |
| 6071359 | Shot for use as ammunition | Jochen Spriestersbach | 2000-06-06 |