Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211624 | Material for producing pyrometric refractory components, pyrometric refractory component, and process for producing same | Novella Vladimirovna Semkina, Ivan V. Zinkovsky | 1980-07-08 |