Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500390 | Elastic scraper for high-capacity film device | Alexander Tkac | 1985-02-19 |
| 4334952 | Multistage molecular evaporator with wiped off film and continuous redistillation | Alexander Tkac | 1982-06-15 |
| 4333822 | Method of treating waste engine oils | Alexander Tkac | 1982-06-08 |