Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309215 | Method for the cementation of metals | Rupprecht Graf | 1982-01-05 |
| 4201573 | Recovery of metal values from a solution by means of cementation | — | 1980-05-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309215 | Method for the cementation of metals | Rupprecht Graf | 1982-01-05 |
| 4201573 | Recovery of metal values from a solution by means of cementation | — | 1980-05-06 |