Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6860772 | Transverse watercraft propeller | — | 2005-03-01 |
| 6554666 | Propulsion apparatus for marine vessels | — | 2003-04-29 |
| 6352458 | Propulsion system and method | — | 2002-03-05 |
| 6224441 | Propulsion system and method | — | 2001-05-01 |
| 4817296 | Dry-cleaning machine for textiles | Ivan E. Razinkov | 1989-04-04 |
| 4769921 | Process for recuperating of organic solvents in dry-cleaning machines | Ivan E. Razinkov | 1988-09-13 |