Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351489 | Refiner disk | Lev N. Laptev, Sergei S. Legotsky, Viadimir A. Semenovsky, Sergei S. Sambursky, Abram B. Litvinov | 1982-09-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351489 | Refiner disk | Lev N. Laptev, Sergei S. Legotsky, Viadimir A. Semenovsky, Sergei S. Sambursky, Abram B. Litvinov | 1982-09-28 |