Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465804 | Structure and method for fastening ball seat for ball valve, trunnion ball valve, and hydrogen station using the ball valve | Osamu Watanabe | 2019-11-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465804 | Structure and method for fastening ball seat for ball valve, trunnion ball valve, and hydrogen station using the ball valve | Osamu Watanabe | 2019-11-05 |