Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082941 | Reverse action flow activated shut-off valve | Andrei Gregory Filippov | 2011-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082941 | Reverse action flow activated shut-off valve | Andrei Gregory Filippov | 2011-12-27 |