Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602461 | Arrangement for pouring a pourable melt made up of a copper alloy | Andreas Krause, Dirk Rode, Thomas Helmenkamp, Uwe Quadfasel, Ralph Frankenberg +1 more | 2003-08-05 |
| 4814235 | Use of oxygen-free copper deoxidized by boron or lithium as material for hollow sections | Werner Rethmann | 1989-03-21 |