Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251715 | Method for directly heating concentrated sulfuric acid by electric current flow between surface-passivated electrodes | Stig A. Petersson | 1981-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251715 | Method for directly heating concentrated sulfuric acid by electric current flow between surface-passivated electrodes | Stig A. Petersson | 1981-02-17 |