Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11280153 | Plug, retaining member, and method for well completion using plug | Seishiro Kobayashi | 2022-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11280153 | Plug, retaining member, and method for well completion using plug | Seishiro Kobayashi | 2022-03-22 |