Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983729 | Rotary piston machine | Boris Schapiro, Lev Levitin | 2006-01-10 |
| 6910397 | Toothing assembly | Boris Schapiro, Lev Levitin | 2005-06-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983729 | Rotary piston machine | Boris Schapiro, Lev Levitin | 2006-01-10 |
| 6910397 | Toothing assembly | Boris Schapiro, Lev Levitin | 2005-06-28 |