Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212677 | Molding sand mixture for the manufacture of molds and cores | Jury G. Khmelev, Dmitry Y. Zhinkin, Solomanida I. Kleschevnikova | 1980-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212677 | Molding sand mixture for the manufacture of molds and cores | Jury G. Khmelev, Dmitry Y. Zhinkin, Solomanida I. Kleschevnikova | 1980-07-15 |