Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876504 | Silencer having expansion chamber and partition | Akiwo Shirakawa | 2020-12-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876504 | Silencer having expansion chamber and partition | Akiwo Shirakawa | 2020-12-29 |