Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675883 | Method of manufacturing a copper-nickel-silicon alloy casing | Peter Ruchel | 1997-10-14 |
| 5658401 | Copper-zinc alloy | Peter Ruchel | 1997-08-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675883 | Method of manufacturing a copper-nickel-silicon alloy casing | Peter Ruchel | 1997-10-14 |
| 5658401 | Copper-zinc alloy | Peter Ruchel | 1997-08-19 |