Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149498 | Method of producing tarnish-resistant and oxidation-resistant alloys using Zr and B | Heinrich Winter | 1992-09-22 |
| 4818283 | Dispersion hardened copper alloys and production process therefore | Karl-Heinz Grunthaler, Dieter Langbein, Heinrich Winter | 1989-04-04 |
| 4744947 | Method of dispersion-hardening of copper, silver or gold and of their alloys | Heinrich Winter | 1988-05-17 |