Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9939114 | Method of pipeline interior drying | Dmitry Igorevich Shiryapov, Sergei Karpov, Aleksandr Vasilyevich Elfimov | 2018-04-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9939114 | Method of pipeline interior drying | Dmitry Igorevich Shiryapov, Sergei Karpov, Aleksandr Vasilyevich Elfimov | 2018-04-10 |