Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4243520 | Method for separation of large sized salt containing minerals | Stoyan I. Denev | 1981-01-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4243520 | Method for separation of large sized salt containing minerals | Stoyan I. Denev | 1981-01-06 |