Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674385 | Biofilter load and the method of producing porous-hollow ceramic blocks therefor | Jury Ivanovich Matveev, Viktor Ivanovich Rakotsa, Valery Gavrilovich Besedin, deceased | 1997-10-07 |
| 4319608 | Liquid flow splitter | Ivan Y. Raikov, Igor V. Samoilovsky | 1982-03-16 |