Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814235 | Use of oxygen-free copper deoxidized by boron or lithium as material for hollow sections | Werner Rethmann | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814235 | Use of oxygen-free copper deoxidized by boron or lithium as material for hollow sections | Werner Rethmann | 1989-03-21 |