Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D294384 | Retaining ring for a pipe joint | Masaaki Takatsu | 1988-02-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D294384 | Retaining ring for a pipe joint | Masaaki Takatsu | 1988-02-23 |