Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066895 | Plug, retaining member, and method for well completion using plug | Seishiro Kobayashi | 2021-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066895 | Plug, retaining member, and method for well completion using plug | Seishiro Kobayashi | 2021-07-20 |