Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770350 | Process for intensification of grinding stone coal | Roza Szekely | 1988-09-13 |
| 4560485 | Fire-fighting powders | Roza Szekely | 1985-12-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770350 | Process for intensification of grinding stone coal | Roza Szekely | 1988-09-13 |
| 4560485 | Fire-fighting powders | Roza Szekely | 1985-12-24 |