Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7216844 | Valve which enables easy operation of a closure mechanism at any internal valve pressure | Petr Vasilievich Malina | 2007-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7216844 | Valve which enables easy operation of a closure mechanism at any internal valve pressure | Petr Vasilievich Malina | 2007-05-15 |