Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428920 | Process of producing potassium tetrafluoro aluminate | Heinrich Willenberg, Karl Hellberg | 1984-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428920 | Process of producing potassium tetrafluoro aluminate | Heinrich Willenberg, Karl Hellberg | 1984-01-31 |