Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016566 | Apparatus for forming films by evaporation in vacuum | Georgy T. Levchenko | 1991-05-21 |
| 4771661 | Vibratory pipe wrench | Georgy T. Levchenko | 1988-09-20 |
| 4700660 | Evaporator for depositing films in a vacuum | Georgy T. Levchenko | 1987-10-20 |